Bunn LCR-3 HV Installation & Operating Manual
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Brand: Bunn
Category: Beverage Dispenser
Type: Installation & operating manual for Bunn LCR-3 HV
Pages: 27 (1.92 Mb)
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EVAP TEMP SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
CHECK WIRE FOR
SHORTS
COOL TEMP SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
CHECK WIRE FOR
SHORTS
COOLER FAULT!
EVAP TEMP TOO HI
CHECK EVAP FAN
CHK EVAP SENSOR
COOLING TIME
TOO LONG
CHECK AIR FILTER
CHECK COOLING UNIT
Service Required
Service Required
Service Required
Clean Air Filter
Check wiring harness for breaks,
shorts, open connectors
Service Required
Screen Displayed Possible Cause Troubleshooting Procedures
Troubleshooting (Continued)
Service Required
Service Required
Service Required
1. Evaporator temperature too high or too
low.
2. Corresponding Evaporator Sensor Probe
wire(s) broken or disconnected.
3. Corresponding Temperature Sensor
Probe wire(s) shorted to housing, or
to each other.
1. Cold Sensor wire(s) shorted to housing,
or to each other.
2. Product cabinet temperature too
high.
3. Product cabinet temperature too low.
COND PROBE FAULT
CHECK COND PROBES
CHK DISP SWITCHES
CHK CONNECTIONS
JUMPER FAULT!
CONFIG NOT VALID
CHECK J-18
ON CONTROL BOARD
1. Concentrate buildup on probes
2. Machine dispensing continously
3. Water flowing continously
1. Invalid wire harness configuation
Check pump & tubing for proper
installation. Clean probes
Dispense switch failure, Service
Required
Dispense valve leaking, Service
Required
Service Required
Service Required
Service Required
Service Required
1. Cabinet circulating fan failure
2. Ice build up on evaporator coils
3. Evaporator sensor failure
1. Air intake filter clogged
2. Wiring failure
3. Compressor failure
41129 052208