Bunn CDBC-MV Service Manual

OPERATING & SERVICE MANUALBUNNCAUT ION :BUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHONE: (217) 529-6601 FAX:

Page 103. Press and hold the brew start button until you hear the brew solenoid click on-and-off three times(approximately 5 seconds). Release the but

Page 11TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problemsencountered. If the pro

Page 12Will not fill or refillPROBABLE CAUSE REMEDYPROBLEM1. Power off to brewer2. Water shut off3. Display flashing4. ON/OFF Switch5. Lime build up o

Page 13TROUBLESHOOTING (cont.)Fill or refill does not shut "OFF" (ON/OFF Switch "ON")Fill or refill does not shut "OFF"

Page 14TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYHEATING CIRCUIT1. Display flashing2. Water not touching temperatureprobe3. Water Level Prob

Page 15TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYWater does not heat to proper tem-perature (cont.)IMPORTANT: Make sure no tem-perature test

Page 16TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYSpitting or excessive steaming(cont.)Brewer is making unusual noises1. Lime build up on tem

Page 17TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYBREWING CIRCUITBrew cycle will not start 1. Display flashing2. No water3. No power or incor

Page 18TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYBREWING CIRCUIT (cont.)If the switch panel is operating prop-erly, proceed as follows. Atta

Page 19TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYBREWING CIRCUIT (cont.)Dripping from sprayheadWeak beverage1. Lime build up2. Dispense valv

Page 2INTRODUCTIONThis equipment will brew a half-gallon batch of coffee into an awaiting dispenser. It can be easily configuredfor 120V 15 amp, 120V

Page 20TROUBLESHOOTING (cont.)PROBLEM PROBABLE CAUSE REMEDYBREWING CIRCUIT (cont.)Dry coffee grounds remain in thefunnelLow beverage serving temperatu

Page 21Intermittent flashing of the bank of temperature indicators, indicates that a fault exists. Count the number of flashesbetween pauses and use t

Page 22CAUTION :WARMERS AND SURFACES ARE HOTCAUTIONDISCARD DECANTERIF:!BUNNMANUFACTURED BY BUNN-O-MATIC CORPORATION SPRINGFIELD, ILL

Page 23SERVICE (cont.)CONTROL BOARDLocation: The Control Board is located inside the top coverbehind the front end cap.Test Procedures:The test proced

Page 24SERVICE (cont.)SWITCH PANELLocation: The Switch Panel is located in the front of thehood.Test Procedures:The test procedures for the switch pan

Page 25SERVICE (cont.)DISPENSE VALVELocation: The dispense valve is located inside the top coverbehind the front end cap.Test Procedures:1. Disconnect

Page 26CAUTION :WARMERS AND SURFACES ARE HOTLIMIT THERMOSTATLocation:The limit thermostat is located inside the frontaccess panel on the front side of

Page 27All models Removal and Replacement:1. Remove the top cover or top warmer housing andfront access panel as previously described.2. Disconnect th

Page 2829707 01250211. Disconnect the two white wires from the tankwarmer blanket.12. Disconnect the black, white and blue wires fromthe tank heater t

Page 29CAUTION :WARMERS AND SURFACES ARE HOTLocation:The voltage selector switch is located on thecomponent mounting bracket behind the frontaccess pa

Page 3#00658.0000#00831.0000#29710.0000 (MV models only)THREE WARMER BREWERSOptional Field Wiring120 V, 17.0 A, 2050 W1PH, 2-Wire, 60HZor120/208-2

Page 30SERVICE (cont.)REFILL VALVELocation:The refill valve is located inside the trunk on thelower center part of the component bracket.Test Procedur

Page 31CAUTIONDISCARD DECANTERIF:!Location:The warmer element(s) is located under thewarmer plate.Test Procedures:1. Disconnect the brewer from the p

Page 32CAUTION :WARMERS AND SURFACES ARE HOTTRM2J1J2J3J4J5J6J7TRM1SERVICE (cont.)FIG. 15 FUSE HOLDER AND FUSE ASSEMBLYLocation:The fuse holder and fu

Page 33TRM2J1J2J3J4J5J6J7TRM1SERVICE (cont.)THERMAL FUSES MV models onlyFIG. 16 THERMAL FUSESP1938Location:The thermal fuses are included with the w

Page 34P1, P2, &P3 AREPINS OF APOLARIZEDTHREE-PINCONNECTOR.SOLSCHEMATIC WIRING DIAGRAM CDBC DV29685.0002D 05/02 ©2001 BUNN-O-MATIC CORPORATIONP2

Page 35SOLSCHEMATIC WIRING DIAGRAM CDBC APS-DVCDBCF APS/TC/LPTC-DV29685.0003E 08/03 ©2001 BUNN-O-MATIC CORPORATIONL1BLU-14BLU-14"KEEP WARM&

Page 36P1, P2, &P3 AREPINS OF APOLARIZEDTHREE-PINCONNECTOR.SOLSCHEMATIC WIRING DIAGRAM CDBC MV29685.0000A 4/99 ©1999 BUNN-O-MATIC CORPORATIO

Page 37SOLSCHEMATIC WIRING DIAGRAM CDBC - APS MV29685.0001A 4/99 ©1999 BUNN-O-MATIC CORPORATIONL1GRNBLU-14BLU-14"KEEP WARM" HEATERWHI

Page 4USER NOTICES (CONT.)#29710.0005 (DV models only)CDBCF-DV BREWERSOptional Field Wiring120 V, 15.0 A, 1800 W1PH, 2-Wire, 60HZOptional Field Wi

Page 5ELECTRICAL REQUIREMENTSCAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.Requires 2-wire,grounde

Page 629707 112801ELECTRICAL REQUIREMENTSCAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.Requires 2-

Page 7INITIAL SET-UP1. Insert an empty funnel into the funnel rails.2. Place a decanter with a small amount of water under the funnel.3. Connect the b

Page 8OPERATING CONTROLSON/OFF SWITCHPressing the "ON/OFF" switch (indicator glowing) supplies power tothe brew station warmer, enables the

Page 9ADJUSTMENTS & OPTIONAL SETTINGSHIDDENSWITCHSetting Brew TemperatureThe brewer is factory set to brew at 200°F (95°C). To change this setting