Bunn 38791.0000K EC007, EC010, EC011, TROUBLESHOOTING GUIDE Cont Error Codes Continued

Models: 38791.0000K

1 26

Page 23

Error Codes (Continued)

LED DISPLAY

ERROR	DESCRIPTION/TROUBLESHOOTING
Tank Temp Sensor Failed	Sensor Reading Out Of Range (High
	or Low). Faulty Sensor wiring.

MENU (-) (+)

MENU (-) (+)

MENU (-) (+)

Switch Board Failure	Unable To Communicate With The
	Switch Board In The Door. Faulty
	wiring between the Door and the Main
	Control Board.
Power Supply Voltage Out of	Too High (>26 Vdc) or Too Low (<23
Range	Vdc) Display alternates between
	EC-011 and the actual power supply
	voltage, (XX Vdc). Check line voltage.
	Check 115/230 Vac switch on the
	power supply.

23	38791 040306

Image 23

Contents

38791.0000K 06/11 2006 Bunn-O-MaticCorporation INSTALLATION & OPERATING GUIDELCA-2LP BUNN-O-MATICCORPORATIONBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS USER NOTICES PLUMBING REQUIREMENTS INTRODUCTIONELECTRICAL REQUIREMENTS PLUMBING HOOK-UPLate Models INITIAL SET-UPPLUMBING HOOK-UPEarly Models OPERATING CONTROLS AND INTERFACE ELECTRICAL HOOK-UPPage INSTALLING THE PUMP TUBING INSTALLING PUMP TUBINGINITIAL FILL & HEAT Alarm Mode Rinse Alarm FeatureAlarm Level Selected DISPLAY MODE 050.0PROGRAMMING THE DISPENSER LCD DISPLAYLCxx 0600.00700.0 09OFFP50.0 P230P330 P40.0PPLOC P8600P9OFF LC0xxDRAINING THE HOT WATER TANK PRIMING THE CONCENTRATE LINESOPERATING THE DISPENSER Daily PARTS WASHING CLEANING & PREVENTATIVE MAINTENANCEGeneral Cleaning and Sanitizing Procedures Daily RINSINGREPLACING THE PUMP TUBING PREVENTIVE MAINTENANCEC3 r un C1r unC2r un C222C7Eng C4r unC41.08 C6EC002 TROUBLESHOOTING GUIDE Error CodesERROR EC001EC011 TROUBLESHOOTING GUIDE Cont Error Codes ContinuedEC007 EC010Calibrating the Dispenser Flow Rates Calibrating the Concentrate PumpsRegular Coffee - Concentrate Pump Calibration Calibrating The Empty Product Threshold ContinuedField Calibrating the Empty Product Warning POWER SUPPLY 24 VDC, 180 WATTS SCHEMATIC WIRING DIAGRAM LCA-2LP120 VOLTS AC - 2 WIRE SINGLE PHASE, 60 HZ