Bunn LCR-2 操作指南
29
EVAP TEMP SENSOR
OUT OF RANGE
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
1. Corresponding Temperature Sensor
Probe wire(s) shorted to housing, or
to each other.
2. Evaporator temperature too high.
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
Service Required
Service Required
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)
36026 121506
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
1. Corresponding Temperature Sensor
Probe wire(s) broken or disconnected.
2. Evaporator temperature too low.
EVAP TEMP SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
1. C o r r e s p o n d i n g Te m p e r a t u r e
Sensor Probe wire(s) broken or
disconnected.
2. Product cabinet temperature too low.
1. Corresponding Temperature Sensor
Probe wire(s) shorted to housing, or
to each other.
2. Product cabinet temperature too
high.
COOL TEMP SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
COOL TEMP SENSOR
OUT OF RANGE
CHECK WIRE FOR
SHORTS
COND PROBE FAULT
CHECK COND PROBES
CHK DISP SWITCHES
CHK CONNECTIONS
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
JUMPER FAULT!
CONFIG NOT VALID
CHECK J-18
ON CONTROL BOARD