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Screen Displayed
COOL TEMP SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
CHECK WIRE FOR
SHORTS
EVAP 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
COND PROBE FAULT
CHECK COND PROBES
CHK DISP SWITCHES
CHK CONNECTIONS
JUMPER FAULT!
CONFIG NOT VALID
CHECK J-18
ON CONTROL BOARD
Troubleshooting (Continued)
Possible Cause
1. Cold Sensor wire(s) shorted to housing,
or to each other.
2. Product cabinet temperature too
high.
3. Product cabinet temperature too low.
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. 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
1. Concentrate buildup on probes
2. Machine dispensing continously
3. Water flowing continously
1. Invalid wire harness configuation
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Clean Air Filter
Check wiring harness for breaks,
shorts, open connectors
Service Required
Check pump & tubing for proper
installation. Clean probes
Dispense switch failure, Service
Required
Dispense valve leaking, Service
Required
Service Required
24
Troubleshooting Procedures
41129 052208
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