Turbo Chef Technologies C3/CMulti manual

PN: TC3-021 5 Rev. D J anuary 2, 20 04 C3/AB, C3/C, C3Multi, C3/CMu lti CONVEC TION MIC ROWAVE OVEN SERVICE AND RE PAIR MANUA L TURBOCHEF T ECHNOLOGIES INC. www.turboc hef.com 10500 Metric Drive, Suit e 128, Dal las, Texas 75243 USA (800) 908 T URBO (8-87 26) © 2004 - TurboChef Technologie s Inc .[...]

TurboChef T echnol ogies, Inc . This page intentionall y left blank .[...]

Table of Con tents READ THIS FI RST ………………………………………… ………………………………… i Important S afety Instructions …………… ………………………………………………… .. ii Precautions to Avoid Possible Exposu re to Excessive Microwave Energy ……………. iii Precautions to be Obs[...]

TurboChef T echnol ogies, Inc . Door Removal an d Replacement Left Side Parts List 7-13 Door Removal an d Replacement Right Side Parts L ist 7-16 C3/C AND C3/ CMULTI Door Assy and Parts List 7-18 Chapter 7 Cook Door C3/AB and C3MUL TI Door Assy and Parts List 7-21 Chapter 8 Convection Circuit Catalytic Converter ……… ……………………?[...]

i REA D THIS FIRS T Before working on the TurboChef Technolog ies, Inc. C Series o ven you m ust first read the s afety instructions on the following pages. T he C3 s eries oven is a com bination co nvection/m icrowave o ven. W hile servicing this oven, a n RF m eter m ust be us ed at all times to check for m icrowave leak age. T his RF reading m u[...]

ii IMPORT ANT SAFETY INSTRUCTI ONS WHEN USIN G ELECTRICAL AP PLIANCES, THE FOLLOWING BASIC SA FETY PRECAU TIONS SHOULD B E STRICTLY ADHE RED TO: WARNING !! To reduce the risk of b urns, electric shock, f ire, injur y to p ersons or exposu re t o excessive microwav e energy: 1. Read all ins tructions bef ore using the appliance . 2. Read and fol low[...]

iii PRECAUTI ONS TO AVOID P OSSIBLE EXPOSUR E TO EXC ESSIVE M ICROWAV E ENERGY 1. DO NOT attem pt to opera te th is oven with the door open since open- door operation can r esult in harmf ul exposure to m icrowave energ y. It is im portant not to d efeat or tam per with the safety inter locks. 2. DO NOT place any object bet ween t he ov en fr ont f[...]

i v PREC AUTIONS TO BE OBSERVED BEFORE AND DU RING SERV ICING TO AVOID POSSIBLE EXPOSUR E TO EXCES SIVE MICROWAV E ENERGY 1. DO NOT operate or al low the ove n to be opera ted with the door open. 2. Make the f ollowing saf ety c heck s on all o vens to be s erviced befor e ac tivating th e magnetron or ot her microwave so urce, and m ak e repairs a[...]

v GROUNDING INSTRUCTIONS This applianc e M UST BE gr ounded. In the event of an electrical short circ uit, groundi ng r educes the risk of electric shock b y providing an escape wire for the electric curr ent. T his appliance is equippe d with a cord having a groun ding wire with a ground ing plug. The plug m ust be plugged into an outl et t hat is[...]

v i RF INTERFE RENCE CO NSIDERA TIONS This oven gener ates ra dio fr equency signa ls. T his dev ice has been tested a nd determ ined to be in complianc e with applicab le part of FCC part 18 r equirem ents and to the protectio n requirem ents of Council Directive 8 9/336/EEC on the appr oxim ation of the laws of the Mem ber States relat ing to el [...]

CHAPTE R 1 INSTA LLATION SPECS[...]

TurboChef T echnol ogies, Inc . C series 1 - 2 OVEN DESCRIPTION SPECIFIC A T IONS C3/ A B, C3M ULTI, C 3/C, AND C3/CM ULT I Dimens ions (single uni t) 29” W x 25.5” H x 29.5” D (73.66 c m x 64.77 cm x 74.93 cm ) Dimens ions (double stac ked un its) 29” W x 43” H x 29.5” D ( 73.66 cm x 109.22 cm x 74.93 cm ) Maxim um Input 7.2 kW Power S[...]

In s tall at io n S pe cs 1- 3 OVEN LOC A T ION The well planned and proper placement of your oven will res ult in long term operator convenienc e and satisf actory perf ormance. Be sure to plac e the ov en in a n area which is access ible for proper op eration an d servicing. The c ountertop or work surfac e m ust be able to support the weight of [...]

[...]

CHAPTE R 2 CLEANI NG & OPERA TING[...]

TurboChef T echnol ogies, Inc . C Series 2-2 BASIC CLEANING PROCEDURES PROBLEM S A SSOCI ATED W ITH IM PROPER CLE A NING The oven m ay not be operating corr ectly becaus e it is not being c leaned pr operly. If the do or is leaking microwaves, erratic operation of the display and other electric al com ponents can occur. Also food d eposits l eft in[...]

CHAPTE R 3 THEORY OF OP ERA TION[...]

TurboChef T echnol ogies, Inc . C Series 3-2 INTRODUCTIO N The T urboChef C3/C o ven utilizes two indepen dent heat trans fer m echanisms in order to rapidl y cook f ood. The s y stem s are as f ollows: Convect ion and M icrowave energy. B y combining t hese mec hanisms and with our abi lity to contro l each m echanism independentl y, we are able t[...]

Theory of Operati on 3-3 GLOSSARY OF COMMON OPERATING TERMS Displa y - Prima ry interface to rela y messa ges to the operator. Keypad - Prim ary int erface f or th e opera tor to control the oven. Cook Chamber - Cavit y in which th e food pro ducts are cooked. PRODUCT RECIPE S Recipe - The food prod uct recipe programm ing con sists of total t ime,[...]

TurboChef T echnol ogies, Inc . C Series 3-4 Programing Edit Mode Edit m ode enables the operator to alt er Recipes and the Cook Cham ber Tem perature (CC). T o Access Edit Mode, press the “Up” and “Do wn” Arro ws Keys on the ke ypad simultaneousl y. W hen prom pted, enter the Acc ess Code “ 9” and then press “Enter”. Changing the C[...]

Theory of Operati on 3-5 Use the “U p” and “Do wn” keys to na vigate through a R ecipe and use the Ke ypad and the “Enter” k ey to alter an y of the f ollowing param eters: COOK T IME: Total dur ation of the C ook Cycle. Enter t he desire d tim e and press “Enter”. Va lid times ar e between 1 sec ond and 5 m inutes. Events 1…6 : U[...]

TurboChef T echnol ogies, Inc . C Series 3-6 To disable th e Tim e State, press the “Back Arrow” and “ Enter” k eys sim ultaneously and “Enter” the Acc ess Pin “T -I-M-E” an d “Enter”. W hen prom pted, press “9” to re- enable or an y other k ey to disable t he Tim e State. Passwords Edit M ode: “Back and “Enter” sim ul[...]

CHAPTE R 4 FAULT CODES[...]

TurboChef T echnol ogies, Inc . C Series 4-2 Introdu ction Fault Co de Introduction: The C3C o ven has the a bility to cont inually monitor and log various fault condit ions. Som e fault condit ions will term inate cook cycles, wh ile others wil l not. Please ref er to Table 4-1 for f ault codes: The Codes ar e listed in order of hierarch y. For ex[...]

Theory of Operati on 4-3 Fault Code Messages Matrix Old Error Code New Error Code Warm- Up Whil e Cooking Self- Test Reference Chapter BLOW ER STATUS F3 BLOW ER X X X 8 LOW COOK TMP F2 LOW TEMP X 8 LOW MAG CURR F3 MAG CURR X X 9 DOOR MONIT OR F4 MONITO R X 7 MAG OV ER TMP F5 MAG T EMP X X X 9 ELEC O VR TMP F6 EC TE MP X X X 6 HX RISE LOW Same X X 8[...]

[...]

CHAPTE R 5 TEST[...]

TurboChef T echnol ogies, Inc . C Series 5-2 Test Mode TO ENTER T EST FUNCTIO N MODE 1. From the standb y m ode, p ress and hold both B ACK and EN TER k eys sim ultaneously. 2. The displa y reads: ENTER ACC ESS COD E 3. Use the NU MERIC k eypad to ent er the following ac cess code: 9- 4- 2- 8 (Old er Oven s 8- 3 -1 -7 ) 4. Press the ENT ER k ey. TE[...]

TEST 5-3 3. Use the top r ight SOFT KEY to m ove the cursor to the r ight. 4. Use the NU MERIC KEYPAD t o cha nge th e digits as f ollows: A) Press the k ey once to ent er the num ber. B) Press the key twice to ente r the first letter. C) Press the ke y three tim es to enter the second letter. D) Press the k ey four t imes to enter th e third lette[...]

TurboChef T echnol ogies, Inc . C Series 5-2[...]

[...]

TurboChef T echnol ogies, Inc . C Series 5-4 P A SSWORDS FOR OPER A TING C3/C OVENS with C3A D Software Version ♦ To ac cess TEST /SERVICE f unctions, press and hold BACK and ENT ER ke y s. At the “Enter Pin __ __” prom pt, key in 942 8 (Older ovens 8317) “ W HAT ” and press Enter. Reference Ch apter 5 ♦ To ac cess rec ipe EDIT, pres s [...]

CHAPTE R 6 ELECTRI CAL &C ONTR OLS SYSTEM[...]

TurboChef T echnol ogies, Inc . C Series 6-2 Electrical Component Locations: FIGURE 6–1a Electrica l Com ponent Locations C 3/AB O nly K1 K 2 K 3 K4 K 5 1 . C I RC UI T BR E AK ER : CB1- 3 5 AM P 2 . F U SES: (2 x 1 2 AMP - C3 /AB;C3/C ) ( 2 5 AM P - C3/ C) 3 . C ON V EC TI O N HE AT HIG H L IMIT 4 . 24 VDC POWER SUP PL Y 5 . DO OR S WIC H AS S E[...]

Electri cal Compa rtment and Contro ls 6-3 Electrical Component Locations: FIGURE 6–1b Electric al Compo nent Location s C3/C Onl y K1 K 2 K3 K4 K 5 1. CI R CU IT BR EA K E R : C B1- 35 AMP 2. FU SES: ( 2 x 1 2 AMP - C3 /AB ;C 3/C) ( 25 A MP - C3 /C) 3. CON V E C TION HE A T HIG H LIMIT 4. 24 V DC POW ER SU PP LY 5. DOO R S WI C H A SS EMBLY (N O[...]

TurboChef T echnol ogies, Inc . C Series 6-4 ELECTRICAL COMPONENT LOCA TIONS: “C3/MULTI” OVENS ONLY FIGURE 6–1C Electri cal Compon ent Location s C3Mult i Only 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (M9609) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0262) 12. STIRRER MOTOR (101891) 3. CONV[...]

Electri cal Compa rtment and Contro ls 6-5 ELECTRICAL COMPONENT LOCA TIONS: “C3/C MULTI” OVENS ONLY FIGURE 6–1C Electri cal Compon ent Location s C3/CM ulti Only 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (100519) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0262) 12. STIRRER MOTOR (101891) 3. C[...]

TurboChef T echnol ogies, Inc . C Series 6-6 ELECTRICAL COMPO NENTS PARTS LIST SUMM ARY Item # Part Number Description Used o n Model(s) 1 T0322 Circuit Breaker CB1 - 35A w/Trip Coil C3/AB & C3/C 2 100596 12 Amp Aux Fuse All 2b 100597 25 Amp Heater Fuse C3/C 2c 100591 Fuse Holders All 3 R7603 Convection High Limit C3/AB & C3/C 3 102016 Conv[...]

Electri cal Compa rtment and Contro ls 6-7 (See Figures 4-1a/b) Item # Part Number Description Used on Model(s) 19 C0299 Convection Motor Assy All 20 103170 Circuit Breakers CB2 & CB3 15 Amp C3Multi & C3/CM ulti 21 101285 K7 Solid State Relay C3Multi & C3/CM ulti 22 102070 Thermostat, Magnetron (21 2F) All 23 102085 Thermostat, EC Box A[...]

TurboChef T echnol ogies, Inc . C Series 6-8 CONTROL PANEL COMPONENT DETAIL CONTROL P A NEL P A RTS LIST (see a bove) ITEM Part Number Descriptio n Used on M odel(s) 1 T0239 CONTROL P ANEL (SHEE T METAL) C3/AB & C3/M ULTI 2 C0239 CONTROL PANEL ( SHEET ME TAL) C3/C & C3/CMU LTI 3 NA VFD DISPLAY C ONNECTO R All 4 T0264 KEYPAD All 5 T0374 CONT[...]

Electri cal Compa rtment and Contro ls 6-9 CONTROL SYSTEM TROUBLESHOOT ING Issue: Resolutions: 1: No Display (Bla nk) 1. Verify po wer 208 VAC or 240 VAC is going to o ven. If not correct voltage supply. 2. Does the control beep when any Key on th e keypad is pressed? a. If no, check power goi ng to the 2 4VDC po wer supply. Supply must have 208 or[...]

TurboChef T echnol ogies, Inc . C Series 6-10 Defective Current Transformer on Compu ter Board SMT Board (T0265) Background : During the ope ration of the microwave system , the control board monitors curren t in the microwave c ircuit by means of a c urrent tran sformer mounted on t he c ontroller b oard. The curren t transformer must se e a t le [...]

CHAPTE R 7 COOK D OOR A SSEM BLY[...]

TurboChef T echnol ogies, Inc . C Series 7-2 DOOR SWITCHES A N D CIRCUIT BREAKERDOOR SWITCHES The C series ovens have 3 door swi tches as mandated by law. T he C3/AB and C3Multi have one door switch located on the left hand side (CDS) a nd is ca lled the s econdar y switch. T he other two switc hes are located o n the right hand side ( CDP & CD[...]

Cook Door 7-3 CIRCUIT BREAKER T RIP CH ART Compon ent Possible Cau se/Circuit In formation Magnetron tr ansform er T he m agnetron transf ormer will dr aw appr oximatel y 9 am ps when functioning properly. Ch eck windin g resistanc es (See Pag e 9-8). A 3 Am p draw indicates the diode is d efective. Solid state c ontactor for Magnetron ( K4) The co[...]

TurboChef T echnol ogies, Inc . C Series 7-4 DOOR SWITCH ADJUSTMENT Too ls Required: • # 1 Phillips head scr ew driver • # 2 Phillips head scr ew driver • 3/8” sock et wrench (1/4” dr ive) • Needle nos e pliers • Large flat bl ade screw driver GO A L The goal of this adj ustm ent procedure is to have the Monitor, Secondar y and Primar[...]

Cook Door 7-5 13. Actuat or ta b sh ould be posi tioned as sho wn in F igure 7-5. It sh ould be para llel to the primar y switch lever. A djust an d b end (needle nose pliers ) actuator tab as necessar y. 14. W hen the door is c losed and the actuator tab is i n contac t with t he prim ar y and monitor switches the s witches should both be closed. [...]

TurboChef T echnol ogies, Inc . C Series 7-8 Figure 7-3 In terlock Placement Dif ferences C3/AB vs. C3/C[...]

Cook Door 7-7 Figure 7-4 T railing Arm and Cam Motion TRAILIN G ARM AND CA M M OT ION 1 . CAM F OLLOWER ROLL ER 2 . TRAILING ARM N O TES: 3 . I N DOOR C LOSED POSITION, T H E TRAILING A RM SHOULD SE AT A S SHOWN ON THE C AM . N O TE: B OTH THE L E F T AND RI G HT SID ES SH OU L D BE A D J US TED SU CH EA CH S IDE SE ATS AS S HO WN. 4 . A S THE DOOR[...]

[...]

Cook Door 7-9 Figure 7-58: Interlock Switch Adjustm ent[...]

TurboChef T echnol ogies, Inc . C Series 7-10 DOOR REMOVAL A ND REPLACEMENT Too ls Required: • 12” long #2 Phillips s crew driver • 3/8” hex dr iver • 3/8” sock et with 1/4” ratc het wrenc h • Set of f eeler gages • Large flat bl ade screw driver DOOR REM OVAL 1) Rem ove the side and top panels, top and bottom molding, control pan[...]

Cook Door 7-11 bottom out o n the switch bod y (#6). If they do , open the door and realign sw itch b rackets and or actuato r tabs again che cking for interference wit h the gu ide as the door is closed. DOOR ADJUSTM ENT 1) Adjus t cam follower assembly (#12) to tension the trailing arm s (#2) to ap ply clos ing pressure: a) Close t he door. b) Ro[...]

TurboChef T echnol ogies, Inc . C Series 7-12 FIGURE 7 – 6 a C3/C & C3/Cm ulti (Left Side)[...]

Cook Door 7-13 DOOR REMOV AL AND REPLACEMENT PARTS LIST (LE FT SIDE): See Figure 4 -3 & 4-7a. ITEM Part Number Descriptio n Used on M odel(s) 1 T0538 TRAILING ARM GUIDE C3/AB, C3M ULTI 1 C0538 TRAILING ARM G UIDE C3/C, C3/CMU LTI 2 T0550 TRAILING ARM , RH C3/AB, C3M ULTI 2 C0550 TRAILING ARM, RH C3/C , C3/CMULTI 3 T0529 INTERLOCK ACT UATOR BR A[...]

TurboChef T echnol ogies, Inc . C Series 7-15 DOOR REMOV AL AND REPLACEMENT PARTS LIST (LE FT SIDE) CON’T See Figure 4 -7a. ITEM Part Number Descriptio n Used on M odel(s) 12 T0560 C AM FOLLOWE R ASSY C3/AB, C3M ULTI 12 C0560 CAM FOL LOWER ASSY C3/C, C3/CM ULTI 13 T0541 CAM FOL LOWER RO LLER C3/AB, C3MU LTI 13 C0541 CAM FOLLOWER ROLLER C3/C, C3/C[...]

Cook Door 7-16 FIGURE 7 – 6 b Door Rem oval and R eplacem ent (Right S ide) K6 K3 K2 K6 K4 K5 DOO R RE MOVA L AN D REPLACEM ENT (RIG H T SI DE) 1 . T RAILI NG ARM 2 . INTER LOCK ACT UATO R BRA CKE T 3 . INTER LOCK SECON DARY SWI TCH 4 . INTER L O CK SWITC H BRAC KET 5 . SPR ING, T RAILI NG ARM 6 . CAM FOLL O W ER ROLL ER 7 . CAM FOLL O WER AS SY [...]

TurboChef T echnol ogies, Inc . C Series 7-17 DOOR REMOV AL AND REPLACEMENT PARTS LIST (RIG HT SIDE): See Figure 4 -7b ITEM Part Number Descriptio n Used on M odel(s) 1 T0550 TRAILING ARM , RH C3/AB, C3M ULTI 1 C0550 TRAILING ARM , RH C3/C, C3/CM ULTI 2 T0529 INTERLOCK AC TUATOR BR ACKE T C3/AB, C3M ULTI 2 C0529 - 1 INTERLOCK AC TUATOR BR ACKE T C3[...]

Cook Door 7-18 Figure 7-8: C 3/C and C3/C Multi Door As sem bly 17. WASHER , LOCK M6 SS 18. BOLT, M6 X 20 MM SS 19. ASSY, ARM. LH 20. ASSY, PIN 21. WASHER, NYLON 22. ASSY BEARING BLOCK 23. PLATE, DOOR REINFO RCING 24. SCREW, M4 X 16 MM SS 25. OUTER DOOR SKIN 26. TURBOCHEF NAME PLATE, AL 27. N/A 28. N/A 29. N/A 30. ASSY GUIDE BLOCK C3/C D OOR ASSEMB[...]

TurboChef T echnol ogies, Inc . C Series 7-19 C3/C AND C3/CMULT I DOOR A SS EMBLY P ARTS: See Figure 4-8 Item Part Number Descriptio n Used on M odel(s) 1 C0190 SHUNT, DOOR C3/C & C3/CM ULTI 2 C0325 SEAL, ENVIRON MENTAL C3/C & C3/CMU LTI 3 C0427 S HUNT, S UPPORT, SHI M C3/C & C3/CM ULTI 4 N/A S CREW , M4 X 12 MM SS C3/C & C3/ CMULTI[...]

Cook Door 7-20 C3/C AND C3/CMULT I DOOR A SS EMBLY P ARTS (CON’T): See Figure 4-8 Item Part Number Descriptio n Used on M odel(s) 22 C0508 ASSY BEARI NG BLOCK C3/C & C 3/CMULTI 23 C0507 PLATE, DOOR RE INFORCING C3/C & C3/C MULTI 24 N/A SCREW, M4 X 16 MM SS C3/C & C3/CM ULTI 25 C0193 OUTER DOOR SK IN C3/C & C3/CM ULTI 26 C0581 TURB[...]

TurboChef T echnol ogies, Inc . C Series 7-21 Figure 7-9: C 3/AB and C3Multi Door Assem bly[...]

Cook Door 7-22 C3/AB AND C3MULTI DOOR ASSEMBLY PARTS: See Figure 4 -9 Item # Part Number Descriptio n Used on M odel(s) 6 T0190 SHUNT, DOOR C3/AB and C3/M ulti 7 T0254 PLSTIC COV ER, DOOR C3/AB and C3/M ulti 8 T0426 SHUNT SUPP ORT DOOR C3/AB and C3/M ulti 9 T0193 OUTER SKI N, DOOR C3/AB and C3/M ulti 10 T0507 PLATE, DOO R REINFORC ING C3/AB and C3/[...]

CHAPTE R 8 CONV ECTION CIRC UIT[...]

[...]

TurboChef T echnol ogies, Inc . C Series 8-2 CATALYTIC CONVERTER The catal ytic converter (See Figure 8-1) is instal led in the return a ir duct behind the h eater ass embly. The installation of the catalytic converter requires a cata lytic co nverter inner fr ame to properl y position it in t he air path. Due to the na ture of m ost foods a nd t h[...]

Convect ion Circui t 8 - 3 CONVECTION ELEMENT A ND THERMOCOUPLES The convection elem ent (See Figure 8-1) is located in t he rear bac k on the lef t side of the oven. I t is controlled b y one or t wo solid-s tate relays (K5 and K7), d ependin g on m odel, loc ated in the top , center of the c ontrol compartm ent of the o ven. Each relay co il oper[...]

TurboChef T echnol ogies, Inc . C Series 8-4 Heater Circ uit Defectiv e Mes sages SELF TEST (STEST) W HILE COOKING (WARMING UP) CAUSE CORRECTIVE A C TION THERMO OPEN THERMO OPEN H X Thermocouple a mplifier indicates open, (999 ° )."or " CC Thermocouple amplifier indicates open 1. Check Thermocouple conne ctions on I/O board connector (Se[...]

Convect ion Circui t 8 - 5 FIGURE 8 - 1 Catalytic Conv erter Access FIGURE 8 - 2 Thermoco uple & T hermostat Lo cations 9 5 HEAT ER ASSEMB LY (SEE FIG 5-3) FOR ALL OPTIONS HEA TER BAFFLE (C3/AB AN D C3/C ONLY) CAT ALYTIC CONVERTER INNER BRACKET Hi-Limit T hermostat (18) (HX)T hermocouple (17) 12 14 or 15 1 16[...]

TurboChef T echnol ogies, Inc . C Series 8-6 CONVECTION ELEMENT ASSEMBLIES FIGURE 8-3 Convectio n Heater As sem blies SHEA THED HEAT ER AS SEM BLY AL L M OD EL S 1. G ASKE T, 3P HAS E HEA TE R C OV ER 2. P LATE , S HEAT HED HE ATE R 3. S HEAT HED HEA TER 4. W ASHE R, FLAT , HEA TER, 5/8 5. W ASHE R, FIBER, 5/8 6. N UT , 5 /8-1 8 C RE S OPE N CO IL [...]

Convect ion Circui t 8-10 CONVECTION CIRCUI T PARTS LIST: See Figure 8-3 Ite m Part Number Descriptio n Used on M odel(s) 1 TC3 - 0194 GASKET, 3 PHASE, HEAT ER COVER All 2 TC3 - 0202 PLATE, SHEATHED HEATER All 3 100652 - 1 24 0 VAC SHEATHED HEATER All (240 VAC) 3 100652 - 3 208 VAC SHEATHED HEAT ER All (208 VAC) 3 100652 - 3 200 VAC SHEATHED HEAT E[...]

[...]

Convect ion Circui t 8-10 CONVECTION (BLOWER) MOTOR OPERA TION The convecti on (blower) motor is a variable spee d convecti on motor, which operat es from zero rpm up to 7000 rpm . The blower m otor speed is controlled b y a SP20 0 AC/Delta dr ive contro l. The spee d of the motor is directly proporti onal to th e applied low v oltage to t he SP200[...]

TurboChef T echnol ogies, Inc . C Series 8 - 9 Blower Circuit Defective Messages SELF TEST W HILE COOKING CAUSE CORRECT IVE A CT ION BLOW ER ST ATUS or "F1 BLOW ER" BLOW ER STATUS or "F1BLOW ER" Blower motor s peed controller n ot returning t he "running status comm and" See status i ndicator A Note: If the door is ope[...]

Convect ion Circui t 8-10 Blower Motor Controlle r Fault Codes & Troublesho oting NOTE: If n o fault condition exists, the LED will be green. If a fault c ondition exists, the LED will fla s h redhen a local keypad is not conn ected. A ll f aults can be r eset by c ycling the r eset control i nput, pressing the s top key, or c ycling pow er, ex[...]

TurboChef T echnol ogies, Inc . C Series 8 - 9 # of LED Flashes Fault Description Fault Cause Correctiv e Action 9 Negat ive Slope • Conflicting param eter values • Adjust v alues of param eters P–50 through P–54 • Phase U • Phase V Ground Short • Phase W • Verif y output wirin g is correc t • Verif y output phase is not grounded [...]

Convect ion Circui t 8-10 Delta Blowe r Motor Controller Fault Codes & Troubl eshooting Fault Name Fault Descriptio ns Corrective Actions Oc The AC drive detects an abnormal increase in current. 1. Check whether the motor s horsepower corresponds to the AC drive output pow er. 2. Check the wiring conne ctions between the AC drive and motor for [...]

TurboChef T echnol ogies, Inc . C Series 8 - 9 Delta Blowe r Motor Controller Fault Codes & Troubl eshooting Fault Name Fault Descriptions Corrective Ac tions ocA Over-current during acceleration: 1. Short-circuit at motor output . 2. Torque boost too high. 3. Acceleration time too shor t. 4. AC drive output capaci ty is too small. 1. Check for[...]

Convect ion Circui t 8-10 Figure 8-6: C onvection Motor Detail PN: C0299 Z 1 2 3 4 5 6 5 3 7 8 9 10 11 12 0.52 MIN HEAT SLINGER TO PLATE 0.150 MAX FAN BLADE TO CAP 7. CLAMP, BEARING SPRING 8. BLOCK, BLOWER BEARING SEAL 9. SPRING, COMPRESSION 10. HEAT SLINGER 11. SET SCREW (USE LOCTITE 290) 12. #605 WOODRUFF KEY CONVECTION MOTOR ASSEMBLY 1. MOTOR, 1[...]

TurboChef T echnol ogies, Inc . C Series 8-14 CONVECTION MOTO R PARTS LIST: S ee Figure 5-6 Item Part Number Descriptio n Used o n Model(s) - C0299 A SSEMBLY, BLOWE R MOT OR All 1 T0076 Motor, 1HP, Ma c All 4 6050070 RING FAN ( unwelded) All 5 6050069 BLADE, FAN ( unwelded) All 4&5 TC3- 0214 RING A ND FAN TACK WELDED All 6 70003 06-2 HUB, FAN S[...]

This page intentionally left blank.[...]

[...]

CHAPTE R 9 MICROW AVE CI RCUI T[...]

TurboChef T echnol ogies, Inc . C Series 9-2 MEASURING FOR MICROWAVE RADIA TION LEAKAGE The follow ing RF emis sions test mu st be performed every time a s ervice call is do ne o n a C3 SERIE S oven. Rep ort your finding s on the work ord er. The following ar eas must be measur ed when perform ing the RF test. • Cook Door • At a ny place o n th[...]

Microwave Circuit 9-5 Microwave Circuit Defective Messages SELF TEST WHILE CO OKING CAUSE CORRECT IVE ACTION LOW MAG CURR *HV BREA KDOW N F3 MAG CUR R * E uropean ovens only LOW MAG CURR *HV BREA KDOW N F3 MAG CUR R Note: If this m essage is detected while cooking it w ill term inate cook cycle imm ediatel y. Oven CT1 (c omputer boar d current sens[...]

TurboChef T echnol ogies, Inc . C Series 9-4[...]

Microwave Circuit 9-5 MAGNETRON CIRCUIT Overv iew of a microw ave circuit The m icrowave circui t con sists of a magnetron and a voltage do ubler c ircuit. T he voltage doubler consists of a special step–up trans former , a capacitor, a dio de. In addition to the power circuitr y in the m agnetron the oven utilizes a filam ent trans former to pre[...]

Microwave Circuit 9-6 Mag netron High Volt age T ransformer (1020 93) The m agnetron transform er is a fer ro-resonant design whic h limits f ault currents and minim izes magnetr on po wer chan ges due to input volt age changes. An autom atic r esetting over- temper ature switch is embedded in the high voltage second ary winding and rem oves po wer[...]

[...]

TurboChef T echnol ogies, Inc . C Series 9-7 Filament Tra nsformer(102091) Background: The f ilament transf ormer is a step down transform er from 208-240 VAC to a bout 4-5V AC. This voltage pre-he ats the m agnetron f ilam ent allowing it t o be rea dy onc e the m agnetron is energized by the high voltage tr ansform er. T his method in the industr[...]

Microwave Circuit 9-8 MAGNETRON TESTING WARNING !! The microw ave circuit cann ot be w orked on with the unit on. The unit must be disconnected from the pow er source. Failure to do so cou ld result in injur y or death. WARNING !! The HV Capacit or must be dis charged before proc eeding. Checking a M agnetron for O pen o r Shorted Filaments: 1. Dis[...]

[...]

Microwave Circuit 9-9 COMPONENT TESTING WARNING !! The m icrowave circuit can not be serv iced with the un it on. T he unit must be disconnected from th e pow er source. Failure to do so co uld result in inju ry or death. WARNING !! The HV Capacit or must be discharged before proc eeding. WARNING !! Do not attempt t o measu re the m agnetron anode [...]

TurboChef T echnol ogies, Inc . C Series 9-10 WARNING !! Use extreme caution when taking an y current reading s. Failu re to do so can result in d eath or serio us injur y. 4 5 FILAMENT TRANSFORMER 1 2 3 4 1 3 2 820MW3 ANODE TRANSFORMER T2 FILAMENT TRANSFORMER T1 ANODE TRANSFORMER REAR VIEW REAR VIEW FRONT VIEW 5 6 7 50 HZ 60 HZ 1 2 3 1 50 HZ 7 6 5[...]

[...]

TurboChef T echnol ogies, Inc . C Series 9-11 Waveguide Compone nts: Figure 9-6: W aveguide Ass y[...]

Microwave Circuit 9-12 WAVEGUIDE COMPONENTS PARTS LIST: See Figure 9-6 Item # Part Number Descriptio n Used on M odel(s) 1 T0266 BLADE, STIRRER ALL 2 T0289 SHAFT, STIR RER C3/A B, C3MULTI 2 C0289 SHAFT, STIRRER C3/C, C3/CM ULTI 3 T0290 HUB, STIR RER SHAFT C3/AB, C3MULTI 3 C0290 H UB, STIRR ER SHAFT C3/C , C3/CMU LTI 4 T0282 SPROCKET, S TIRRER SHA F[...]

TurboChef T echnol ogies, Inc . C Series 9-13 WAVEGUIDE COMPONENTS PARTS LIST (con’t): See Figure 9-6 Item # Part Number Descriptio n Used on M odel(s) 15 TBD WASHER, INTERNA L, LOCK, M4 S S C3/C, C3/CM ULTI 16 700-1339- 1 CLAMP, W AVEGUIDE, SINGLE WIRE C3/AB, C3MULTI 16 C700-1339-1 CLAMP, WA VEGUIDE, SINGLE WI RE C3/C, C3/CMULTI 17 700-1 321 SEA[...]

CHAPTE R 10 I/O Boar d & Sc hemat ics[...]

TurboChef T echnol ogies, Inc . C Series 10-2[...]

10-5[...]

TurboChef T echnol ogies, Inc . C Series 10-4[...]

10-5 K4 ( M A GA ) P1 EMI EMI EMI P1 L N P1 L N N L L N L N L N 4- 3+ 2 1 2 1 3 + 4 - K1(MAG FAN) (81 30F - 44 -9 3 ) T 1 820MW 4[...]

TurboChef Technologies, Inc. C Series 10-6 1 3 2 4 7 6 5 1- Software EPROM 2- R51 Beeper Volume Adjustment 3- Microprocessor 4- P3- Blower Motor Controller Mode Selector SP200=1&2 5- R24- RF Fluctuation Adjustment (Optional) 6- R42- 5 Volt Reference A d justment 7- P1 +5VDC Reference Point[...]

Microwave Circuit 10-7 8 13 9 12 10 11 14 8- J2 40 Pin Connector (Most signal w ires are terminated here!) 9- J5 26 Pin Flat Cable (from front panel VFD) 10- J3 5 VDC Pow er Supply to Vacuum Fluorescent Displa y 11- J1 RF Cable Connection (Optional) 12- J6 RS232 Cable (Menu Download port) 13- J4 Keypad membrane cable 14- Interlock Relays (Primar y [...]