Bunn LCA-2 IC Installation & Operating Manual page 23

Screen Displayed
LEFT PUMP FAULT!
CHK PUMP WIRING
CHK RPM SENSOR
CHK TUBING AREA
RT PUMP FAULT!
CHK PUMP WIRING
CHK RPM SENSOR
CHK TUBING AREA
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. Motor failure
2. RPM Sensor failure
1. Motor failure
2. RPM Sensor 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
Check pump & tubing for proper
installation. Clean probes
Dispense switch failure, Service
Required
Dispense valve leaking, Service
Required
Service Required
23
Troubleshooting Procedures
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