Bunn LCA-2 PC Manual De Propietario

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Screen 
Displayed 
 Possible 
Cause    Troubleshooting 
Procedures
Troubleshooting (Continued)
34766.1 010313
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.
1. Corresponding Temperature Sensor 
Probe wire(s) shorted to housing, or to 
each 
other. 
   
1. Corresponding Temperature Sensor 
Probe wire(s) shorted to housing, or 
to each other. 
2.  Product cabinet temperature too high.
EVAP TEMP SENSOR 
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
TANK TEMP SENSOR 
OUT OF RANGE
 
CHECK WIRE FOR
SHORTS
COOL TEMP SENSOR 
OUT OF RANGE
CHECK WIRE FOR
SHORTS
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Check water supply shut-off
Service Required
Service Required
Service Required
Service Required
1.  Refill valve stuck open
2.  Faulty refill probe
3.  Faulty overflow switch 
 
1.  Tank Heater failure  
 
2.  Triac failure
3.  Tank Temp. sensor failure
 
1.  Water shut off to dispenser 
 
2.  Inlet Solenoid Valve failure  
 
 
1.  Corresponding Temperature Sensor 
Probe wire(s) broken or disconnected
1.  Corresponding Temperature Sensor 
Probe wire(s) broken or disconnected.
2.  Product cabinet temperature too low.
OVERFLOW CUP 
FULL. EMPTY CUP
HEATING TIME TOO 
LONG
   
CHECK HEATING 
CIRCUIT
FILL TIME TOO LONG
   
CHECK WATER SUPPLY
TANK TEMP SENSOR 
OUT OF RANGE
 
CHECK FOR BAD
CONNECTIONS
COOL TEMP SENSOR 
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS