Bunn CDBCF Twin APS Service Manual

CAUTION :CAU TION :CAUTION!CAUTION!CAUTION!OPERATING & SERVICE MANUALBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227P

Page 10TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the p

Page 11Will not fill or refillFill or refill does not shut "OFF" (ON/OFF Switch "ON")PROBABLE CAUSE REMEDYPROBLEM1. Power off to brew

Page 12Fill or refill does not shut "OFF" (ON/OFF Switch "OFF")2. Water Level Probe Sensing System3. Refill valve or control boa

Page 13TROUBLESHOOTING (cont.)PROBABLE CAUSEREMEDYHEATING CIRCUITPROBLEM1. Display flashing2. Water not touching temperature probe3. Dry Plug In Pr

Page 14TROUBLESHOOTING (cont.)Water does not heat to proper temperature (cont.)IMPORTANT: Make sure no tem-perature tests are taken before the rea

Page 15TROUBLESHOOTING (cont.)Spitting or excessive steaming (cont.)Brewer is making unusual noises2. Temperature Probe3. Control Board1. Plumbing

Page 16TROUBLESHOOTING (cont.)PROBABLE CAUSE REMEDYBREWING CIRCUITPROBLEMBrew cycle will not start1. Display flashing2. No water3. No power or incorrec

Page 17Brew cycle will not start (cont.)Consistently low beverage level in the dispenser or beverage over-flows dispenserTROUBLESHOOTING (cont.)PRO

Page 18TROUBLESHOOTING (cont.)Dripping from sprayheadWeak beverage1. Lime build up2. Dispense valve1. Sprayhead2. Water temperature3. Filter type4. Co

Page 19TROUBLESHOOTING (cont.)Dry coffee grounds remain in the funnelLow beverage serving tempera-ture1. Sprayhead2. Funnel loading1. WarmerMake s

Page 236672 011108BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTYBunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:1) All equipmen

Page 20DIAGNOSTICSIntermittent flashing of the bank of temperature indicators indicates that a fault exists. Count the number of flashes between pauses

Page 21CAUTION :CAUTION :CAUTION :CAUTION :CAUTION!CAUTION!P1872FIG. 1 COMPONENT ACCESSSERVICE This section provides procedures for testing and repla

Page 22CAUTIO N :CAUTIO N :CAUTIO N :CAUTION!SERVICE (cont.)PC CONTROL BOARDP1873FIG. 2 CONTROL BOARDSLocation: The Control Boards are located

Page 23CA UTION :CA UTION :CA UTI ON :CAUTION!SERVICE (cont.)SWITCH PANELLocation: The Switch Panels are located on the front of the hood.Test Pro

Page 24CA UTI ON :CA UTI ON :CAU TION :CAUTIONDISCARD DECANTERIF:FAILURE TO COMPLY RISKS INJURYFUNNEL CONTENTS ARE HOT!SERVICE (cont.)DISPENSE

Page 25CA UTI ON :CA UTI ON :CA UTI ON :J1J2J3J4J5J6J7J1J2J3J4J5J6J7CAUTIONDISCARD DECANTERIF:FAILURE TO COMPLY RISKS INJURYFUNNEL CONTENTS AR

Page 26Location: The tank heaters are located inside the tanks and secured to the tank bottoms.Test Procedures:1. Disconnect the brewer from the pow

Page 27P1856SERVICE (cont.)TANK HEATERS (Cont.)17. Install tank assembly onto mounting brackets and secure in place with four #8-32 nuts.18. Install t

Page 28CA UTI ON :C AUT ION :CA UTI ON :J1J2J3J4J5J6J7J1J2J3J4J5J6J7CA UTI ON :WA RME RS AND SURF ACE S AR E HO TCA UTION :WA RMERS AN D SUR

Page 29CAU TION :CAU TION :CAU TION :CAUTION!SERVICE (cont.)WARMER ELEMENT(S)Location: The warmer elements are located under the warmer plates.Test

Page 3USER NOTICESCarefully read and follow all notices in this manual and on the equipment. All labels on the equipment should be kept in good condi

Page 30SCHEMATIC WIRING DIAGRAM CDBC TWIN 0/6 (LEFT) 29323.0000E 02/07 ©1999 BUNN-O-MATIC CORPORATIONTA NK HEATERGRNGRNRED-14BLKBLK-14SCHEMA

Page 3136672 02070829323.0002C 02/07 ©2000 BUNN-O-MATIC CORPORATIONTA NK HEATERRED-14 (MODEL 35)BLKBLK-14WHIL1 NL2L1 NL2P1, P2, &P3 AREPINS OF

Page 32SCHEMATIC WIRING DIAGRAM CDBC TWIN APS (LEFT) 32161.0000C 02/07 ©1999 BUNN-O-MATIC CORPORATIONTA NK HEATERGRNGRNRED-14BLKBLK-14SCHEM

Page 33TOP FRONTBREWENABLE BREWPROGRAMWhite Strip-Ta c PlusBlack InkFinished Size: 14.0" x 8.5"87% ReductionWHI-14RED-14SCHEMATIC WIRING DIA

Page 34WHI-14RED-14SCHEMATIC WIRING DIAGRAM CDBC TWIN 4/229323.0007B 02/08 ©2007 BUNN-O-MATIC CORPORATIONTANK HEATERBLK-18WHI-14P1, P2, &P3 AR

Page 3536672 020708White Strip-Tac PlusBlack InkFinished Size: 14.0" x 8.5"87% ReductionWHI-14RED-14SCHEMATIC WIRING DIAGRAM CDBC TWIN 0/629

Page 4ELECTRICAL REQUIREMENTSCAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.Electrical Hook-UpCAUTIO

Page 5A) ENABLE BREW ON/OFF SWITCH Pressing the "ON/OFF" switch (indicator glowing) supplies power to the brew station warmer, enables the b

Page 6INITIAL SET-UP1. Insert an empty funnel into the funnel rails of one of the brew stations.2. Place an empty decanter/server under the funnel.3

Page 7ADJUSTMENTS & OPTIONAL SETTINGSENABLEON / OFFBREWWARMER WARMERENABLEON / OFFBREWWARMERWARMERHIDDENSWITCHHIDDENSWITCHNOTE: The following adj

Page 8ADJUSTING BREW VOLUMESThe brewer is factory set to deliver 64 ounces ± 2 for each brew cycle.BREW VOLUME SET-UP: Use the following steps when th

Page 9PULSE BREW SETUP PROCEDUREThe pulse brew parameters (initial fill time, off times, and remaining on times) are entered using the following set-by