Bunn LCR-3 Troubleshooting Continued, Screen Displayed, Possible Cause, Check Wire For Shorts

Troubleshooting (Continued)

Screen Displayed Possible Cause Troubleshooting Procedures

COOL TEMP SENSOR OUT OF RANGE

CHECK FOR BAD CONNECTIONS

CHECK WIRE FOR SHORTS

1.	Cold Sensor wire(s) shorted to housing,	Service Required
	or to each other.
2.	Product cabinet temperature too	Service Required
	high.
3.	Product cabinet temperature too low.	Service Required

EVAP TEMP SENSOR		1.	Evaporator temperature too high or too
OUT OF RANGE			low.
		2.	CorrespondingEvaporatorSensorProbe
CHECK FOR BAD
CONNECTIONS			wire(s) broken or disconnected.
CHECK		3.	Corresponding Temperature Sensor
	WIRE FOR
SHORTS			Probe wire(s) shorted to housing, or
			to each other.

Service Required

Service Required

Service Required

COOLER FAULT!			1.	Cabinet circulating fan failure	Service Required
EVAP TEMP TOO HI			2. Ice build up on evaporator coils		Service Required
CHECK	EVAP FAN
CHK EVAP SENSOR			3.	Evaporator sensor failure	Service Required
COOLING TIME			1.	Air intake filter clogged	Clean Air Filter
TOO LONG			2.	Wiring failure	Check wiring harness for breaks,
CHECK	AIR FILTER				shorts, open connectors
CHECK COOLING UNIT			3.	Compressor failure	Service Required
COND PROBE FAULT			1.	Concentrate buildup on probes	Check pump & tubing for proper
CHECK COND PROBES			2.	Machine dispensing continously	installation. Clean probes
					Dispense	switch	failure,	Service
CHK DISP SWITCHES			3.	Water flowing continously	Required
CHK CONNECTIONS					Dispense	valve	leaking,	Service
					Required
JUMPER FAULT!			1. Invalid wire harness configuation		Service Required
CONFIG		NOT VALID

CHECK J-18

ON CONTROL BOARD

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