Manuals / Bunn / Kitchen Appliance / Coffeemaker

Bunn System III manual TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

Models: System III

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TROUBLESHOOTING (cont.)
Problem	Probable Cause		Remedy
Automatic refill will not operate	6.	Solenoid Valve	Refer to Service - Solenoid valve for
(cont.)			testing procedures. See page 30
Beverage level will not adjust (Selec-	1.	Selector switch	Refer to Service - Selector switch for
tor switch in any position)			testing procedures. See page 16
Water flows into tank continuously	1. (A) Level control board and level		Refer to Service - Level control board
(ON/OFF Switch "OFF")	probe (Electro/mechanical)		for testing procedures. See page 25
		(B) Digital Brewer Control	Refer to Service - Digital brewer
			control for testing procedures. See
			page 23 step 10
	2.	Overflow protection switch	Refer to Service - Overflow protec-
			tion switch for testing procedures.
			See page 29
	3.	Solenoid valve	Refer to Service - Solenoid valve for
			testing procedures. See page 30
Water from tank is not hot	1.	Limit thermostat	Refer to Service -Limit thermostat
	CAUTION - Do not eliminate or by-		for testing procedures. See page 27
	pass limit thermostat. Use only
	B.O.M. part #23717.0001

2.(A) Control Thermostat (Electro/ mechanical)

(B)Digital Brewer Control

Refer to Service - Control thermo- stat for testing procedures. See page 20

Refer to Service - Digital brewer control for testing procedure. See page 22 step 3

3.	Contactor (Electro/mechanical)	Refer to Service - Contactor for test
		procedures. See page 18
4.	Tank heater	Refer to Service - Tank heater for
		testing procedures. See page 33

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Bunn System III manual TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

Contents

BUNN OPERATING & SERVICE MANUALSYSTEM BUNN-O-MATICCORPORATIONWARRANTY 12364.0000 10044.0000 USER NOTICES20201.5600 00831.0000 00656.0000ELECTRICAL REQUIREMENTS Models with digital brewer control assemblyElectrical Hook-Up Models with electro/mechanical thermostatsINITIAL SET-UP ADJUSTING BREW VOLUMESelectro/mechanical brewers Models with digital brewer control assemblyCLEANING ADJUSTING BREW VOLUMES contBREW SELECTOR SWITCH ON/0FF Warmer SWITCHProblem TROUBLESHOOTINGProbable Cause RemedyTROUBLESHOOTING cont Problem Probable CauseRemedy Problem TROUBLESHOOTING contProbable Cause RemedyTROUBLESHOOTING cont Water from tank is not hot contProblem Probable CauseProblem TROUBLESHOOTING contProbable Cause RemedyWeak beverage cont TROUBLESHOOTING cont ProblemProbable Cause RemedyProblem TROUBLESHOOTING contRefer to Service - Digital brewer con trol for testing procedures. See pageSERVICE COMPONENT ACCESSContents FIG. 2 BYPASS VALVE SERVICE cont BYPASS VALVEBREW SELECTOR SWITCH SERVICE contSERVICE cont BREW SELECTOR SWITCH contCONTACTOR ASSEMBLY ELECTRO/MECHANICAL ONLY SERVICE contSERVICE cont CONTACTOR ASSEMBLY ELECTRO/MECHANICAL ONLY contONLY FIG. 8 CONTROL THERMOSTATSERVICE cont SERVICE cont DISPENSE VALVE DIGITAL BREWER CONTROL BOARD AND DISPLAY DBC TION, ENTRY AND DESCRIPTIONSERVICE cont SERVICE cont DIGITAL BREWER CONTROL BOARD AND DISPLAY DBC contSERVICE cont TRIAC/HEAT SINK ASSEMBLY DBC ONLY SERVICE cont SERVICE cont SERVICE cont LIMIT THERMOSTAT SERVICE cont ON/OFF Warmer SWITCH SERVICE cont OVERFLOW PROTECTION SWITCH FIG. 23 REFILL SOLENOID VALVE SERVICE cont SOLENOID VALVE RefillSERVICE cont SOLENOID VALVE Refill cont SERVICE cont START SWITCH SERVICE cont TANK HEATER FIG. 27 TANK HEATERLocation SERVICE cont TIMER ELECTRO/MECHANICAL ONLYEARLY MODELSDIGITAL TIMER ELECTRO/MECHANICAL ONLY LATE MODELS FIG. 31 DIGITAL TIMERSERVICE cont Timer Setting SERVICE contFIG. 32 DIGITAL TIMER WIRING PageSERVICE cont WARMER ELEMENTLOWER Page27362 092900Page 27362092900 LOWER Page27362 092900