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Bunn manual H10X/H5X H5E/DV PC, H5 ELEMENT, With Digital Control Board

Models: DV H5E H5X

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H10X/H5X

H5E/DV PC

H5 ELEMENT

With Digital Control Board

SERVICE MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

To ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. Contact Bunn-O-Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.

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Bunn manual H10X/H5X H5E/DV PC, H5 ELEMENT, With Digital Control Board, Bunn-O-Matic Corporation

Contents

H5 ELEMENT H10X/H5X H5E/DV PCWith Digital Control Board BUNN-O-MATIC CORPORATIONBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY CONTENTS FAULT CODES TROUBLESHOOTINGProblem FlashesTROUBLESHOOTING cont ProblemSafety overﬂow switch Probable Cause1. Temperature control ProblemReplace the indicator LED Probable CauseComponent Access - H5E/DV-PC/X SERVICEComponent Access - H10X H5E, H5X LIQUID LEVEL CONTROL PROBLEM Does Not Refill SERVICE Electronic ControlsPROBLEM Overflows ElectronicSERVICE cont SERVICE cont Electronic Controls cont1. Disconnect the dispenser from the power source H5X THERMOSTAT PROBLEM Boils Excessively - Fills Cup Electronic Controls contH5E THERMOSTAT PROBLEM Boils Heater Indicator Reﬁll Indicator Power Indicator Ready Indicator SERVICE cont Electronic Controls contJ4 BLK & WHI to Temperature Sensor BLU to Tank Heater WHI/VIO to Terminal Block J3 PNK & GRY toFIG. 12c LIMIT THERMOSTAT WIRING SERVICE cont Limit ThermostatSERVICE cont Safety Overﬂow Switch P1778 SERVICE cont Solenoid Valve Late ModelsWHI/BLU to Contol Board T1 RED to Terminal Block SERVICE cont Solenoid Valve Early ModelsRED to Control Board T4 BLU to Control SERVICE cont Tank HeaterBoard Relay ThermostatFIG. 17c STEAM SENSOR EXPLODED SERVICE cont Steam Sensor ThermistorTest Procedures SERVICE cont Dispense Valve PC OnlyRemoval and Replacement 120V AC 2 WIRE + GND Install jumper thru ver120/208V AC 3 WIRE + GND 120/240V AC 3 WIRE + GND230V AC 2 WIRE + GND Install jumper thru verNOTE no jumper used on any Model starting with verSINGLE PHASE 2 WIRE + GND200-240 VOLTS AC SCHEMATIC WIRING DIAGRAM H10XSCHEMATIC WIRING DIAGRAM H5E/H5X MAINInstall jumper thru ver 2 WIRE + GND2 WIRE + GND SCHEMATIC WIRING DIAGRAM H5XA, H5EA CESINGLE PHASE Install jumper thru ver100-240V AC 2 WIRE + GND SCHEMATIC WIRING DIAGRAM H5 ELEMENTSINGLE PHASE DISPLAY