Français dropdown-ico

Bunn G9-2T DBC manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

Aller à la page of

Les manuels d’utilisation similaires

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Bunn G9-2T DBC. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Bunn G9-2T DBC ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Bunn G9-2T DBC décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Bunn G9-2T DBC devrait contenir:
- informations sur les caractéristiques techniques du dispositif Bunn G9-2T DBC
- nom du fabricant et année de fabrication Bunn G9-2T DBC
- instructions d'utilisation, de réglage et d’entretien de l'équipement Bunn G9-2T DBC
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Bunn G9-2T DBC ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Bunn G9-2T DBC et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Bunn en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Bunn G9-2T DBC, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Bunn G9-2T DBC, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Bunn G9-2T DBC. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    GRINDERS Includes: MHG, FPG, FPG-2, LPG-2, G1, G2, G3, G2 trifecta™, G9, G9WD, G9-2 & G9-2T DBC SER VICE & REP AIR MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o ensure you have the latest revision of the Operating Manual, or to view the Illustrated P[...]

  • Page 2

    2 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years. 3) Compressors on refrigeration equipment: 5 years parts and 1 year [...]

  • Page 3

    3 CONTENTS Warranty and T rademark .................................................................................................3 Introduction ....................................................................................................................4 Recommended Daily Cleaning ..........................................................[...]

  • Page 4

    4 INTRODUCTION The Grinder will store various amounts of whole bean coffee and grind it to a preset grind and amount into an awaiting funnel and filter or French Press from most commercial drip coffee brewers. The equipment is only for indoor use on a sturdy counter or shelf. Adequate space must be available above the grinder to raise the lid when[...]

  • Page 5

    5 41545 111711 Figure 1 Step 1 - Remove & discard tape holding funnel arm in place. (Figure 1) Step 2 - Remove & discard two silicon tubes between funnel guide & housing. (Figure 2) Step 3 - Remove four screws in front housing panel. (Figure 3) Step 4 - Remove & discard shim under transducer . (Figure 4) Step 5 - Replace housing pan[...]

  • Page 6

    6 Model G9-2 Off/On/Start Switch OFF - (upper position) Switching to this position stops all operation of the grinder . ON - (middle position) The switch will return to this position after a grind cycle has begun and will remain in this position after grinding has ceased. ST ART - (lower , momentar y position) Pressing the switch initiates a timed [...]

  • Page 7

    7 URN O F F S T A R T ON CARAFE P1300 Batch Selector Switch (Optional) URN - Switching to this position allows the correct amount of beans to be dispensed when grinding a large batch. CARAFE - Switching to this position allows the correct amount of beans to be dispensed when grinding a small batch. Model G9 Off/On/Start Switch OFF - (left position)[...]

  • Page 8

    8 Model G9-2T DBC Grind Pad (a) Pressing initiates a timed grind cycle. Stop Pad (b) Pressing ends the operation of the grinder . ® P AD (c) Pressing the ® pad allows programming access. OPERA TING CONTROLS (Continued) P ANTONE Red 032 CV P ANTONE 430 CVC P ANTONE 432 CVC P ANTONE 354 CVC P ANTONE Black C d d c b a Hopper/Batch Selector Pads (d) [...]

  • Page 9

    9 OPERA TING CONTROLS (Continued) P2947 P2947 Model FPG Off/On/Start Switch OFF - (upper position) Switching to this position stops all operation of the grinder . ON - (middle position) The switch will return to this position after a grind cycle has begun and will remain in this position after grinding has ceased. ST ART - (lower , momentar y posit[...]

  • Page 10

    10 TROUBLESHOOTING A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic T echnical Ser vice Department. • Inspection, testing, and repair of electrical equipment shoul[...]

  • Page 11

    11 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Each motor is equipped with a temperature and current overload protection feature which will im - mediately shut off the motor when an overload has occurred. Check the grinder for obstructions. Refer to Service - Motor for testing pro- cedures. Refer to Service - Relay for testing procedures.[...]

  • Page 12

    12 Begin each grind cycle by visually inspecting the hopper(s) for ample supplies of whole bean coffee. Foreign materials must not block the openings at the bottom of the hopper(s). Refer to Service - Solenoids for test - ing procedures. Refer to Service - Timer for testing procedures. Refer to Service - Off/On/Start switch for testing procedures. [...]

  • Page 13

    13 PROBLEM PROBABLE CAUSE REMEDY TROUBLESHOOTING (cont.) Incorrect coffee grind dispensed. Excessive chaff Grinder only dispenses from one hopper Timer will not display or displays incorrectly . Incorrect weight of coffee dis- pensed 1. Burr adjustment 1. Dechaffer 1. Hopper selector switch (Model LPG-2E only) 1. Digital Timer 1. Grinder scale requ[...]

  • Page 14

    14 SERVICE This section provides procedures for testing and replacing various major components used in this grinder should service become necessar y . Refer to T roubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service pe[...]

  • Page 15

    15 SERVICE (Cont.) FIG. 1 BAG SENSOR SWITCH P1704 Location: The bag sensor switch is located inside the lower front of the grinder housing behind the coffee dispens - ing chute. T est Procedure: 1. Disconnect the grinder and place a coffee bag behind the dispense chute. 2. Remove the white/violet wire from the bag sensor switch. 3. Check the voltag[...]

  • Page 16

    16 SERVICE (Cont.) AC MOTOR AND GRIND CHAMBER FIG. 3 AC MOTOR AND GRIND CHAMBER P1704 Location: The motor is located inside the upper part of the grinder housing. T est Procedure: 1. Remove the plug located on the right side of the housing. Press the red “Reset” button visible through the opening. Listen carefully for a “click”. This resets[...]

  • Page 17

    17 SERVICE (Cont.) WHI/BLU to Relay N.O.(K4) WHI to Cordset (120V) RED/BLK to Cordset (230V) GRN to Ground (120V) GRN/YEL to Ground (230V) P1310 FIG. 4 AC MOTOR TERMINALS 11. Clean all grinding burrs and mounting sur faces before reassembly . 12. Install the four .250”-20 cage nuts on the new motor . 13. Place the new motor with hopper collar and[...]

  • Page 18

    18 SERVICE (Cont.) FIG. 5 GRIND CHAMBER COMPONENTS P1708 20 7 6 4 5 16 18 1 19 17 11 10 9 8 3 2 1 13 7 12 14 15 AC MOTOR AND GRIND CHAMBER (cont.) Removal and Replacement - Grind Chamber - Fig. 5: 1. Loosen the two set screws (16) securing the grind selector knob to the grind selector dial plate (18) and remove knob. 2. Remove the adjusting screw w[...]

  • Page 19

    19 SERVICE (Cont.) DC MOTOR AND GRIND CHAMBER - G1MD ONL Y FIG. 6 DC MOTOR AND GRIND CHAMBER P1706 Location: The motor is located inside the upper part of the grinder housing. T est Procedures: 1. Remove the rear panel. Press the red “Reset” button visible on the rear of the motor . Listen care - fully for a “click”. This resets the motor p[...]

  • Page 20

    20 SERVICE (Cont.) DC MOTOR AND GRIND CHAMBER - G1MD ONL Y (cont.) BLU to BLU from Rectifier BLU to WHI/BLU from Relay (3) RED to Rectifier (-) BLK to Rectifier (+) FIG. 7 DC MOTOR TERMINALS P1710 10. Remove motor and bracket out the rear of the grinder housing. 11. Remove the two .250”-20 screws securing the motor to the front of the mounting[...]

  • Page 21

    21 SERVICE (Cont.) DC MOTOR AND GRIND CHAMBER - G1MD ONL Y (cont.) FIG. 8 MOTOR AND GRIND CHAMBER REMOV AL P1711 5 7 6 16 18 1 19 17 9 8 11 10 3 4 2 1 7 13 12 14 15 22 21 20 23 11. Install burr (7) on burr auger rotor/spring assem- bly (6) securing with two .250”-20 screws (5). 12. Slide burr auger rotor/spring assembly and burr (3) onto the moto[...]

  • Page 22

    22 SERVICE (Cont.) P1022 Location: The motor is located inside the hopper assembly . T est Procedures: 1. Disconnect grinder from the power supply . 2. On Model LPG-2E, disconnect the black wire and the white wire to the motor from the main wiring harness, the red wire to the circuit breaker and the red wire to the Off/On/Start switch. On Model LPG[...]

  • Page 23

    23 SERVICE (Cont.) 1. Retaining Ring W/Hopper Gasket 2. Slide Plate, Solenoid Plunger and Spring 3. Spacer Plate 4. Mounting Ring, Solenoid and Solenoid Mounting Plate 5. Setscrew , #8-32 6. Motor and Burr Housing P1050 1 2 3 4 5 2 6 FIG. 11 SOLENOID AND GA TES 8. Remove spacer plate (3) and set aside for reas - sembly . 9. Lift solenoid bracket an[...]

  • Page 24

    24 SERVICE (Cont.) 20. Remove the two #8-32 flat head screws securing the motor cover (18) to the motor and housing assembly (17) and remove the cover . Set aside for reassembly . 21. Discard old motor and housing assembly . 22. Place new motor on it’ s side and install motor cover (18) using two #8-32 flat head screws. 23. Install upper burr ([...]

  • Page 25

    25 SERVICE (Cont.) DECHAFFER (Models LPG & FPG) FIG. 13 DECHAFFER P1062 Location: The dechaffer spring plates are located in the burr housing cap. 1 FIG. 14 DECHAFFER REMOV AL/REPLACEMENT P1063 2 Removal and Replacement: Refer to Fig. 14 1. Remove coffee beans from hopper(s). 2. Lay grinder on it’ s back. 3. Remove the #4-40 truss head screw [...]

  • Page 26

    26 SERVICE (Cont.) 2. The entire wiring harness must be fed into the bottom of the grinder housing through the hole in the motor mounting plate. 3. Remove both 6-32 screws beneath the upper front inspection panel. 4. Remove the six 10-32, hex head screws on top of the motor mounting plate. 5. Slowly slide the assembly out the rear of the grinder ho[...]

  • Page 27

    27 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1. Indicator Adjustment Cap & Decal 2. Adjusting Screw 3. Burr Housing Cap 4. Rotor Cup 5. Shear Plate 9 8 7 6 5 4 3 2 1 6. Rotor 7. Spring 8. Burr (Rotating) 9. Burr (Stationary) P1311 Removal and Replacement - GRIND CHAMBER 1. Refer to the illustration above and remove the two 1/4”-20, hex head screw[...]

  • Page 28

    28 SERVICE (Cont.) SNUBBER (Models G9, G9-2, MHG) CO A RSE FI N E T H O R O U G H L Y C L E A N G R I N D C H A M B E R B E F O R E R E A S S E M B L Y E M P T Y H O P P E R B E F O R E R E M O V I N G T H I S C O V E R . N O T I C E CO ARSE FI NE P611 GRN to Chasis Ground YEL to Snubber P621 WHI/ BLU to Snubber WHI/BLU to Relay WHI/BLK to Snubber [...]

  • Page 29

    29 CALIBRA TION 1. Place empty funnel into funnel rails. 2. Press and hold the right hidden (copyright) button until the “MACHINE TYPE” menu appears. (See level 2 programming) 3. Press the middle button under the screen until the “CALIBRA TE SCALES?” menu appears. 4. Press the right button under “YES” in the “CALIBRA TE SCALES?” scr[...]

  • Page 30

    30 P1745 FIG. 20 CAP ACITOR Location: The capacitor is located inside the front panel of the hopper housing next to the Off/On/Start switch. T est Procedure: 1. Disconnect grinder from the power source. 2. Visually inspect the capacitor for leakage. If leakage is visible, replace the capacitor . 3. Connect the grinder to the power source, if the mo[...]

  • Page 31

    31 SERVICE (Cont.) Circuit Breaker (Models LPG, LPG-2E, FPG, FPG-2 DBC) P1036 FIG. 22 CIRCUIT BREAKER P1037 FIG. 23 CIRCUIT BREAKER TERMINALS RED from Motor -LPG-2E BLK from Start Switch-LPG BLK from Power Cord Removal and Replacement: 1. Remove the wires from the circuit breaker . 2. Remove the face nut securing circuit breaker to the motor suppor[...]

  • Page 32

    32 SERVICE (Cont.) P1038 Hopper Selector Switch (Model LPG-2E only) P1029 Location: The Hopper Selector Switch is located in the lower left front of the hopper housing. T est Procedure: 1. Disconnect grinder from the power supply . 2. Remove all wires from the switch terminals. 3. Check that the switch is installed properly , FIG. 25. 4. Place the [...]

  • Page 33

    33 SERVICE (Cont.) Hopper Selector Switch (Model G9-2 only) FIG. 26 HOPPER SELECTOR SWITCH P594 Location: The hopper selector switch is located in the center on the front of the hopper housing. T est Procedure: 1. Disconnect the grinder from the power source. 2. Remove all wires from the switch terminals. 3. Place the selector switch in the left po[...]

  • Page 34

    34 SERVICE (Cont.) Location: The Off/On/Start switch is located to the left side on the front of the housing above the upper front inspec- tion panel. T est Procedure: 1. Unplug the grinder . 2. Remove the black wire from the switch. 3. Check for continuity across the black wire from the Off/On/Start switch and the left blade of the cordset connect[...]

  • Page 35

    35 SERVICE (Cont.) URN O F F S T A R T ON CARAFE P1300 Location: The Urn/Carafe switch is located to the left side on the front of the housing above the upper inspection panel. T est Procedure: 1. Disconnect the grinder from the power supply . 2. Remove the tan, yellow and green wires from the switch. 3. Place the switch in the “CARAFE” positio[...]

  • Page 36

    36 SERVICE (Cont.) FIG 32 BA TCH SELECTOR SWITCH Location: The batch selector switch is located on the left front of the hopper housing. T est Procedure: 1. Disconnect the grinder from the power source. 2. Open hopper lid and loosen four screws inside the hopper and remove hopper . 3. The ORN wire is connected to the common terminal "a" o[...]

  • Page 37

    37 SMALL MEDIUM LARGE P2946 SERVICE (Cont.) FIG 34 POTENTIOMETERS Location: The potentiometer switches are located on the top rear of the hopper housing. T est Procedure: 1. Disconnect the grinder from the power source. 2. Open hopper lid and loosen four screws inside the hopper and remove hopper . 3. Disconnect the BRN wire from the control board.[...]

  • Page 38

    38 SERVICE (Cont.) + A C A C Removal and Replacement: 1. Disconnect the wires from the rectifier . 2. Remove the #10-32 screw securing the rectifier to the motor mounting bracket. 3. Remove the rectifier and discard. 4. Install new rectifier on the rear of the motor mount - ing bracket and secure with a #10-32 screw . 5. Refer to Fig. 37 and re[...]

  • Page 39

    39 SERVICE (Cont.) Location: The relay is located on the timer bracket in the grinder base. The bracket can be removed by loosening the two 8-32 screws beneath the timer dial. T est Procedure: 1. Disconnect the grinder from the power supply . 2. Check the voltage across the white/red and white/ green wires of the relay coil with a voltmeter when th[...]

  • Page 40

    40 SERVICE (Cont.) Location: The relay is located on the grinder base inside the lower housing. T est Procedure: 1. Disconnect the grinder from the power source and place a coffee bag behind the dispense chute. 2. Check the voltage across the white/orange and white or red/black wires on terminals A & B of the relay with a voltmeter . Hold the O[...]

  • Page 41

    41 SERVICE (Cont.) WHI/BLU from Motor to Relay K-4 WHI/ORN from Bag Sensor Switch (A) FIG. 41 RELA Y TERMINALS P1707 RELA Y (cont.) WHI to Main Harness 120V (B) RED/BLK to Main Harness 240V (B) WHI/VIO from Switch to Relay K-6 WHI/RED from Switch to Relay K-7 & K-9 Removal and Replacement (120 Volt and 240V 60 Hz Models): 1. Remove the wires fr[...]

  • Page 42

    42 SERVICE (Cont.) Location: The relay is located either on the timer bracket or on the component mounting bracket in the grinder base. The bracket can be removed by loosening the two 8-32 screws beneath the timer dial. T est Procedure: 1. Disconnect the grinder from the power supply . 2. Access the relay and remove the wires from all terminals. 3.[...]

  • Page 43

    43 SERVICE (Cont.) Location: The slide plates are located on the solenoid mount- ing plate immediately beneath the hopper openings. The slide plates must always remain flat for proper operation. T est Procedure: With the solenoid mounting plate attached to the hopper , push the solenoid plunger into the coil. The slide plate must move freely in th[...]

  • Page 44

    44 SERVICE (Cont.) Location: The slide plates are located on the solenoid mount- ing plate immediately beneath the hopper openings. The slide plates must always remain flat for proper operation. T est Procedure: With the solenoid mounting plate attached to the hopper , push the solenoid plunger into the coil. The slide plate must move freely in th[...]

  • Page 45

    45 SERVICE (Cont.) Left Right WHI/ORN to Timer P4-4 RED/BLK to Right Solenoid RED/BLK to Timer P4-7 WHI/YEL to Timer P4-5 RED/BLK to Left Solenoid P612 Location: The solenoids are located on the mounting plate immediately beneath the hoppers. T est Procedure: 1. Unplug the grinder . 2. Connect a voltmeter across the left or right solenoid coil term[...]

  • Page 46

    46 SERVICE (Cont.) Timer (Model LPG-2E) P1061 Location: The timer is located inside the hopper housing just behind the left solenoid. T est Procedure: 1. Disconnect grinder from the power source. 2. Insert the leads of a voltmeter set to read at least 120 volts AC, along side the red wire (terminal 8) and the white wire (terminal 2) of the harness [...]

  • Page 47

    47 SERVICE (Cont.) Timer (Model LPG-2E) Timer (Models LPG, FPG) P1748 FIG. 49 TIMER Location: The timer is located inside the rear access panel. Adjustments can be made by removing the 2” hole plug. T est Procedure: 1. Disconnect grinder from the power source. 2. Insert the leads of a voltmeter set to read at least 120 volts AC, along side the re[...]

  • Page 48

    48 SERVICE (Cont.) Location: The timer is located on the timer bracket in the grinder base. The bracket can be removed by loosening the two 8-32 screws beneath the timer dial(s). T est Procedure: 1. Disconnect the grinder from the power supply . 2. Check the voltage across terminals TL1 & TL2 with a voltmeter when the “Off/On/Start switch is [...]

  • Page 49

    49 SERVICE (Cont.) D IS PE N S E TIM E ( S e c o n d s ) D IS P L AY In c r e a s e D e c r e a s e Rea do ut w i ll be d i splaye d for 5 m i nutes . T im er can only be adj us ted w hi le readout i s d ispla ye d . + WARNING HAZA RDOU S VOLT AGE U N P LU G G R I N D E R BE F OR E R E M O V I N G R I G H T DI S PENS E T IME (S E CO ND S ) 3. 2 6 1[...]

  • Page 50

    50 SERVICE (Cont.) Control Board (Model MHG) Location: The control board is located on the component mounting bracket mounted to the grinder base inside the front access panel. The bracket can be removed by loosening the two 8-32 screws securing the bracket to the grinder base. T est Procedure: 1. Press and hold the upper right hidden button to ent[...]

  • Page 51

    51 SERVICE (Cont.) Control Board (Models FPG-2 & G9-2 DBC) Location: The control board is located inside the hopper housing behind the membrane switch. T est Procedure: 1. Check the continuity of the wiring between the component and the control board. 2. T est the individual components before replacing the control board. FIG 55 CONTROL BOARD FI[...]

  • Page 52

    52 SERVICE (Cont.) Membrane Switches (Model MHG only) Location: The membrane switch is located on the front of the hopper housing. T est Procedure: 1. Press and hold the right hidden button to enter programming. 2. Scroll through the menus to Ser vice T ools and select YES. 3. Select YES at T est Outputs and scroll through to T est Switches by pres[...]

  • Page 53

    53 P E R S ON AL I N JU R Y HAZA R D. KEE P FINGERS A ND FOREIGN OBJE C TS OUT OF HOPPER OR CHUTE OPENING. CAUTI O N SERVICE (Cont.) Membrane Switches (Models FPG-2 & G9-2 DBC) Location: The membrane switch is located on the front of the hopper housing. T est Procedures: NOTE : Before continuing, check that the ribbon cable is properly connecte[...]

  • Page 54

    54 SERVICE (Cont.) EMI Filter (Models FPG & FPG-2) FIG 60 EMI FIL TER FIG 61 EMI FIL TER TERMINALS Location: The EMI Filter is located inside the rear cover of the grinder housing. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the two red wire s and two white wires on the EMI Filter from the EMI Filter wiring[...]

  • Page 55

    55 SERVICE (Cont.) Funnel Sensing Coil (Models MHG & G9-2 DBC) Location: The funnel sensing coil is located inside of the coil cover . T est Procedure: 1. Disconnect the grinder from the power supply . 2. Remove the two 6-32 screws attaching the coil cover to the front of the grinder housing. 3. Pull slightly away from the housing and disconnec[...]

  • Page 56

    56 SERVICE (Cont.) Memory Clock Board (Model MHG) Location: The memory clock board is located on the component mounting bracket mounted to the grinder base inside the front access panel. T est Procedure: 1. Disconnect the grinder from the power supply . 2. Disconnect the wiring harness on the memory board. 3. Check for 5VDC on J1-4 and J1-5. If vol[...]

  • Page 57

    57 Display Board (Model MHG) Location: The display board is located inside the hopper housing behind the membrane switch. T est Procedure: 1. Press and hold the upper right hidden button to enter the Programming menus. 2. Scroll to SERVICE TOOLS menu, and press the button under "YES". 3. Press "YES" under TEST OUTPUTS and procee[...]

  • Page 58

    58 TRIAC MAP for MHG MOV1 controls T ransformer @ J5-4,5,6 TH1 & MOV2 controls Left Gate @ J5-3 TH2 & MOV3 controls Relay @ J5-2 TH3 & MOV4 controls Right Gate @ J5-1 41545 122209[...]

  • Page 59

    59 TRIAC MAP for FPG-2 DBC and G9-2 DBC TH1 & MOV1 controls Left Gate @ J1-1 TH2 & MOV2 controls Relay @ J1-2 TH3 & MOV3 controls Right Gate @ J1-3 MOV4 controls T ransformer @ J1-4,5,6 41545 122209[...]

  • Page 60

    60 SCHEMA TIC WIRING DIAGRAM G9-2 DBC, G9-2T DBC W/SMAR T FUNNEL™ N W H I B L K L1 LEFT GA TE LIMIT THERMOS TAT LIMIT THERMOS TAT SOL SOL WHI/ORA WHI/GRN WHI/YEL BLK WHI RED/BLK J1-6 J1-6 J8-3 J8-1 J6-10 J6-5 J6-1 CONTROL PC BOARD COIL RELA Y RIGHT GA TE 1 11 SHIELD FUNNEL SENSOR WHI/GRN WHI/VIO SWITCH UNIT ASSY B2 C4 C5 C6 A2 A1 C3 C2 C1 GRINDER[...]

  • Page 61

    61 SCHEMA TIC WIRING DIAGRAM G9-2 DBC, G9-2T DBC W/SMAR T FUNNEL™ N W H I B L K L1 LEFT GA TE LIMIT THERMOS TAT LIMIT THERMOS TAT SOL SOL WHI/ORA WHI/GRN WHI/YEL BLK WHI RED/BLK J1-6 J1-6 J8-3 J8-1 J6-10 J6-5 J6-1 CONTROL PC BOARD COIL RELA Y RIGHT GA TE 1 11 SHIELD FUNNEL SENSOR WHI/GRN WHI/VIO SWITCH UNIT ASSY B2 C5 A3 A2 A1 C3 C2 GRINDER MOTOR[...]

  • Page 62

    62 SCHEMA TIC WIRING DIAGRAM G9-2TB DBC W/SMAR T FUNNEL™ N W H I B L K L1 LEFT GA TE LIMIT THERMOS TAT LIMIT THERMOS TAT SOL SOL WHI/ORA WHI/GRN WHI/YEL BLK WHI RED/BLK J1-6 J1-6 J8-3 J8-1 J6-10 J6-5 J6-1 CONTROL PC BOARD COIL RELA Y RIGHT GA TE 1 11 SHIELD FUNNEL SENSOR WHI/GRN WHI/VIO SWITCH UNIT ASSY A3 C4 C5 C6 A2 A1 C3 C2 C1 GRINDER MOTOR M [...]

  • Page 63

    63 SCHEMA TIC WIRING DIAGRAM MHG N B L K W H I L1 RIGHT GA TE LEFT HOPPER SENSOR LIMIT THERMOS TAT LIMIT THERMOS TAT WHI/YEL WHI/YEL WHI/GRN WHI/ORN WHI/ORN YEL ORN YEL ORN BLK WHI WHI WHI WHI J5-5 J5-1 J12-1 J9-10 J9-5 J9-1 CONTROL PC BOARD DISPLA Y BOARD RELA Y LEFT GA TE RIGHT HOPPER SENSOR 16 1 S TA TIC SHIELD SWITCH UNIT ASSY A2 C5 C6 C4 B2 B1[...]

  • Page 64

    64 WIRING DIAGRAMS 1 5 10 16 J19 4 J6 1 J12 5 1 J1 5 1 9 8 ST A TIC SHIELD SWITCH UNIT ASSY RIGHT HOPPER COIL LEFT HOPPER COIL FUNNEL COIL T1 LOAD LINE VIO VIO ORG ORG YEL YEL K1 RIGHT GA TE RELAY LEFT GA TE RELAY LI N SOL SOL MTR LIMIT THERMOST AT LIMIT THERMOST AT K2 K3 RIGHT GA TE LEFT GA TE WHT K3 K2 K1 GRINDER MOT OR P1 P4 P2 P3 WHT/ORG WHT/OR[...]

  • Page 65

    65 27103.0000D 04/07 ©1996 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIAGRAM LPG-2E, LPGB-2E N L1 BLK RED WHI 100 VOL TS AC 120 VOL TS AC 2 WIRE SINGLE PHASE 60 HZ GRN 3 AMP 2 3 4 5 6 1 7 8 9 10 TIMER ASSY . (Hopper Slide Gate Timer Dial Wiring) Right - Brown Left - Orange YEL WHI BLU YEL WHI/BLK BLK RED VIO ORA OFF/ON/ST ART SWITCH RED RED RED[...]

  • Page 66

    66 WIRING DIAGRAMS 41545 122209[...]

  • Page 67

    67 BLK WHI RED RED 10529.0000C 3/92 © 1990 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIAGRAM LPG & LPG2 N L1 B L K P1 2 3 4 5 6 1 RED WHI/BLK BLK WHI/BLU WHI/BRN WHI GRN RED WHI/BLK BLK WHI/BLU WHI/BRN WHI BLK RED WHI/BRN WHI/BLU 1 2 3 4 5 P2 BLK RED WHI/BRN WHI/BLU DC MOTOR BLK WHI RED RED 4 1 2 3 P3 GREEN 3 AMP TIMER BLK W H I 120 VOL TS [...]

  • Page 68

    68 BLK WHI RED RED 10529.0002E 8/01 © 1990 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIAGRAM LPG-A L2 L1 B L K P1 2 3 4 5 6 1 RED WHI/BLK BLK WHI/BLU WHI/BRN WHI GRN RED WHI/BLK BLK WHI/BLU WHI/BRN WHI BLK RED WHI/BRN WHI/BLU 1 2 3 4 5 P2 BLK RED WHI/BRN WHI/BLU DC MOTOR BLK WHI RED RED 4 1 2 3 P3 GRN/YEL 3 AMP TIMER BLK R E D 230 VOL TS AC 2 W[...]

  • Page 69

    69 BLK WHI RED RED 10529.0003E 10/98 © 1998 BUNN-O-MA TIC CORPORATION SCHEMA TIC WIRING DIAGRAM LPG W/Capacitor L1 P1 2 3 4 5 6 1 1 2 RED WHI/BLK BLK WHI/BLU WHI/BRN WHI GRN RED WHI/BLK BLK BLK WHI/BLU WHI/BRN WHI BLK BLK BLK RED WHI/BRN WHI/BRN WHI/BRN WHI/BLU 1 2 3 4 5 P2 BLK RED WHI/BRN WHI/BLU DC MOTOR BLK WHI RED RED 4 1 2 3 P3 GREEN TIMER BL[...]

  • Page 70

    70 BLK WHI RED RED 10529.0001D 10/98 © 1990 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIAGRAM LPG-B N L1 B L K P1 2 3 4 5 6 1 RED WHI/BLK BLK WHI/BLU WHI/BRN WHI GRN RED WHI/BLK BLK WHI/BLU WHI/BRN WHI BLK RED WHI/BRN WHI/BLU 1 2 3 4 5 P2 BLK RED WHI/BRN WHI/BLU DC MOTOR BLK WHI RED RED 4 1 2 3 P3 GREEN 3 AMP TIMER BLK W H I 100 VOL TS AC 2 WIR[...]

  • Page 71

    71 WHI/VIO WHI/VIO WHI/BLU WHI/ORA 1 or A GRN or GRN/YEL 230V GRN/YEL L1 N SW1 BLK WHI/RED SW2 K 0 or B M L1 L2 100 VOL T AC 120 VOL T AC 230 VOL T AC 240 VOL T AC 2 WIRE + GRD SINGLE PHASE 50/60 HZ WHI WHI L2 RED/BLK RED/BLK K-2 or K-7 K-8 or K-9 K-6 K-4 White Strip-T ac Plus Black Ink Finished Size: 6" x 3" ~100% Reduction SCHEMA TIC WI[...]

  • Page 72

    72 10173-0000F 4/91 © 1987 BUNN-O-MA TIC CORPORA TION WHI/GRN BLK K1 WHI/BLU M L2 L1 120 VOL TS AC 2 WIRE SINGLE PHASE 60 HZ L1 N GREEN K1 N.O. SCHEMA TIC WIRING DIAGRAM G9 TIMER WHI/RED WHI/YEL WHI/ORA WHI WHI WHI/RED WHI/RED OPTIONAL KEY SW 5 4 3 2 1 W H I / O R A ORA URN CARAFE WHI/GRN 1 BLK K1 WHI/BLU M L2 L1 120 VOL TS AC 2 WIRE SINGLE PHASE [...]

  • Page 73

    73 10187-0000C 02/08© 1987 BUNN-O-MATIC CORPORATION WHI/GRN BLK K1 WHI/BLU M L2 L1 230 VOLTS AC 2 WIRE + GND SINGLE PHASE 50 HZ L1 L2 GREEN K1 N.O. SCHEMATIC WIRING DIAGRAM G9A HD TIMER WHI/RED WHI/RED WHI/YEL WHI/ORA RED/BLK RED/BLK RED/BLK WHI/RED WHI/RED 5 4 3 2 1 OPTIONAL POWER INDICA TOR LIGHT WIRING DIAGRAMS 41545 072710 BLK WHT RED RED VIO [...]

  • Page 74

    74 4 3 WHI/GRN 1 BLK WHI/BLU L2 L1 120 VOL TS AC 2 WIRE SINGLE PHASE 60 HZ 10388-0000B 12/88 © 1988 BUNN-O-MA TIC CORPORA TION L1 N GREEN K1 N.O. SCHEMA TIC WIRING DIAGRAM G9 TIMER 3 2 4 5 WHI/RED WHI/YEL WHI/ORA WHI WHI WHI/RED WHI/RED GRY 1 2 OPTIONAL MUL TI-SET SW OPTIONAL BREWER INTERF ACE CONNECTOR PNK TA N ORA PNK OPTIONAL KEY SW W H I / O R[...]

  • Page 75

    75 BLU VIO YEL GRY TA N ORA RED/BLK WHI WHI/GRN WHI/ORA WHI/YEL RED/BLK BLK WHI/RED WHI/BLU M L2 L1 WHI/BLU WHI/BLK YEL 230 VOL TS AC 2 WIRE SINGLE PHASE 50 HZ 10768.0000E 05/03 © 1993 BUNN-O-MA TIC CORPORA TION L1 L2 K1 N.O. SCHEMA TICWIRINGDIAGRAMG9-2A HD OFF/ON/ST ART SW HOPPER SELECTOR SW TA N 1 8 TIMER P1 P4 1 8 GRINDER INTERF ACE CO[...]

  • Page 76

    76 WIRING DIAGRAMS 41545 122209[...]

  • Page 77

    77 WIRING DIAGRAMS BLK WHI RED RED 36781.0000A 04/04 ©2004 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIA GRAM FPG N L1 RED WHI/BLK BLK WHI/BLU WHI/BRN WHI RED WHI/BLK BLK WHI/BLU WHI/BRN WHI GRN BLK SM MED LG RED WHI/BRN WHI/BLU 1 2 3 4 5 P2 BLK RED WHI/BRN WHI/BLU DC MOTOR BLK WHI RED RED 4 1 2 3 P3 GREEN 3 AMP TIMER SELECT SW . BLK 120 V OL T[...]

  • Page 78

    78 WIRING DIAGRAMS SCHEMA TIC WIRING DIAGRAM FPG-2 DBC, FPGB-2 DBC N W H I W H I / B L K B L K L1 LEFT GA TE LIMIT THERMOS TAT LIMIT THERMOS TAT SOL SOL WHI/ORA WHI/GRN WHI/YEL RED WHI/BLK WHI/BLK J1-6 J1-6 J6-10 J6-5 J6-1 CONTROL PC BOARD COIL RELA Y RIGHT GA TE 1 11 SHIELD SWITCH UNIT ASSY B2 C4 C5 C6 A2 A1 C3 C2 C1 WHI RED RED RED BLU BLK 36706.[...]

  • Page 79

    79 WIRING DIAGRAMS N L1 LEFT GA TE LIMIT THERMOST AT LIMIT THERMOS TAT SOL WHI/ORA WHI/ORA WHI/GRN WHI/YEL WHI/YEL RED WHI WHI WHI WHI WHI/BLK WHI WHI WHI WHI GRN GRN WHI WHI J1-6 J1-1 J6-10 J6-5 J6-1 CONTROL PC BOARD RELA Y RIGHT GA TE 1 11 SHIELD SWITCH UNIT ASSY B2 C4 C5 C6 A2 A1 C3 C2 C1 WHI RED RED RED BLU BLK RED RED Switch Unit Assembly Code[...]