Frymaster UHC-HD manual

Frymaster, a member of the Co mmercial Food Equipm ent Serv ice Association, recommends using CFESA Certified Tec hnicians. *8196606* 24-Hour Service Hotline 1-800-551-8633 Price: $6.00 819-6606 OCT 10 UHC-HD Service, Parts Manual for 6, 3-Row Models[...]

NOTICE IF, DURING THE WARRANTY PERIOD, THE CUS TOMER USES A PART FOR THIS ENODIS EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECYCLED PART PURCHASED DIRECTLY FROM FRYMASTER DEAN, OR ANY OF ITS AUTHORIZED SERVICE CENTERS, AND/OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION, THIS WARRANTY WILL BE VOID. FURTHER, FRYMASTER DEAN AND IT [...]

Table of Contents Theory of Operation 1-1 Service/Software Procedures 2-1 Troubleshooting 3-1 Illustrated Parts List 4-1 Wiring Diagrams 5-1[...]

Cabinet Service Procedures 1-1 1 Functional Description 1.2 Theory of Operation The cabinet operates on 208-250VAC 50 or 60 cycle si ngle-phase power. The main switch activates a relay, which supplies line voltage to two distri bution boards, three cooling fans and a power supply. The power supply provides 5VDC to the mast er control board and the [...]

Cabinet Service Procedures 1-2 1.3 Start Up Indicators and Test Points Upon startup, the cabinet beeps. LED’s on the dist ribution boards flash. The displays show the version number of the cabinet’s firm ware and then the row’s status. Distribution boards shown with ribbon cables removed.[...]

Cabinet Service Procedures 2-1 2 Service Procedures DANGER: Failure to disconnect po wer from the unit be fore servicing could result in serious injury or death. The cabinet power switch DO ES NOT disconnect all incoming power to the cabinet. 2.1 Updating Software/Capturing Configurations The five sections of software o n the cabinet can b e up dat[...]

Cabinet Service Procedures 2-2 Update: Boa r ds 1. Turn power off. 2. Insert flash drive in USB port located on cabinet bezel. 3. Turn power on. 4. Cabinet displays version numbers followed by current menu setting. 5. Press programming key. 6. Screen scroll s Enter Acce ss S equence. 7. Enter 98765 with keypad. 8. Press OK. 9. Scroll with arrow key[...]

Cabinet Service Procedures 2-3 USB . 6. Press OK. 7. The master control displays Please Wait … as f iles are transferred to the f lash drive, changing to the number of files copi ed when the process is complete. 8. Press OK. 9. Remove flash drive. 10. Cabinet returns to normal display. Configure Cabinet with Menu/Configuration Cap tured on anothe[...]

Cabinet Service Procedures 2-4 2.2 Placing the cabinet in Service Mode The cabinet can be put in service mode, a diagnostic settings which allows the heater plates to be controlled individu ally, brightness settings on the displays adjusted an d re-addressing for unique arrangements of bezels. Follow the steps below : Switching Heater Pl ates Off I[...]

Cabinet Service Procedures 2-5 Readdressing the Cabinet Addressing, or assigning a position-specific component such as a display or dis tribution board, is done automatically by the cabinet on startup. Co mmunication errors can o ccur on start-up after a board installation however. If so, follow the instruc tions below to readdress the cab inet. Th[...]

Cabinet Service Procedures 2-6 2.3 Accessing the Electronic Components 1. The component shelf is accessed by rem oving two screws on each side of the unit ( Fig. 1 ). 2. Lift and remove the sides, which expos es screws that hold the top in place ( Fig. 2 ). 3. The components are annotated below ( Fig. 3 ). All the components are readily removed. Th[...]

Cabinet Service Procedures 2-7 • ERR LED toggles when a communicati on error is detected; it’s not unusual to see a flash, but regular flashing means communications problem s. • LED5 and LED6 used for programming/debugging; have no diagnostic function. • LED7 When lit, the master contro l is executing a time or temp query operation on the f[...]

Cabinet Service Procedures 2-8 suspect heater. Note: Line voltage is onl y seen when the row is calling for heat. 2. Check for line voltage between the power input terminal and the terminal block. 3. Check for +5VDC at the power-in terminal and the term inal block for the power supply. NOTE: After testing, reconnect all connections to their origina[...]

Cabinet Service Procedures 2-9 Fig.  7:  Two  screws  (see  arrows)  at  the  base  of  each  side  of  the  cabinet  secure  the  sides.  3. HHHH means RTD indicates the temperature is a bove 255°F (124°C), but below "Open" circuit resistance, which causes SENS ALARM . 4. UHC VER[...]

Cabinet Service Procedures 2-10 2.6. 1 Removing/Replacing a Distribution Board or Communication Board 1. Remove power. 2. Remove and mark the wires on the faulty component. 3. Remove the board by lifting it from its standoffs. 4. Position the new board and attach wires. 5. Reapply power. 6. Run readdress steps on page 2-4. 2.6.2 Removing a Row 1. R[...]

Cabinet Service Procedures 2-11 9. Slide the row assembly completely into th e cabinet and return the spacers between the heater plates. Ensure the row is evenly positioned in the cabinet. There must be sufficient space to allow the bezel tabs to fit b etween the outside row plate and the cabinet interior wall. 10. Replace the bezels. CAUTION Ensur[...]

Cabinet Troubleshooting 3-1 The master control display and the row displays show error messages when there is a problem . The messages are shown in the matrix below along with possible causes a nd diagnostic tests. Error Message Cause Tests Call service row display error  Row  number  also  displayed  *  The  master  control[...]

Cabinet Troubleshooting 3-2 Failure modes not accompanied by a master contro l display are shown below with possible causes and tests. Symptom Possible Causes Tests Unit fails to power up; fans don’t run. • No power to cord. • Blown 20 amp fuse. • Circuit breaker open. • Check for line voltage at the switch and the transformer. • Reset [...]

Cabinet Parts 4-1 Parts Lists, Exploded Views Item Part Number Description 1 108-1897 Top Cap 2 823-7636 Rear Fascia 3 807-4882 Circuit Breaker, 16 amp 4 807-5111 Time/Temperature switch 5 807-4911 Power switch 6 823-7513 Front fascia 7 807-5112 Master control overlay with ribbon cabl e * 807-5156 Master display board (circuit b oard in master disp[...]

Cabinet Parts 4-2 Item Part Number Description 8 807-5111 Time/Temperature switch 9 826-2781 Bezel, with boards, front with short ribbon cable * 826-2782 Bezel with boards, rear, with long ri bbon cable 10 108-1190 Base 11 807-4857 Heater plate/RTD 12 807-4860 Distribution board 13 108-1633 Side, left, vented 14 108-1632 Side right, not vented Comp[...]

Cabinet Parts 4-3 Item Part Number Description 18 807-4868 Power Supply 19 807-3490 Power relay 20 406-0011 UHC-HD Single Filter Board * Ribbon Cables * 807-4916 Time/Temp 18” used for front fascia * 807-4917 Time/Temp 32” used for rear fascia * 807-4875 Master distribution * 807-4922 Power to upper distribution board * 807-4923 Power to lower [...]

Cabinet Wiring Diagrams 5-1 Wiring Diagram, Delta Power, L1-L2[...]

Cabinet Wiring Diagrams 5-2 UHC-HD, WYE Power, L1-N[...]

Frymaster, L.L.C., 8700 Line Av enue, Shrev eport, Louisiana 71106 TEL 1-318-865-1711 FAX (Parts) 1-318- 219-7140 FAX (Tech Support) 1-318-219-7135 PRINTED IN THE UNITED STATES SERVICE HOTLINE 1-800-551-8633 Price: $6.00 819-6606 OCT 2010[...]