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Troubleshooting (Continued)
Screen Displayed
____ TARGET RPM
TOO LOW !!
____ PUMP FAULT
CHK PUMP WIRING
CHK RPM SENSOR
CHK TUBING AREA
OVERFLOW
FAULT
HEATING TIME
TOO LONG
CHECK HEATING
CIRCUIT
FILL TIME
TOO LONG
CHECK WATER
SUPPLY
TANK SENSOR
OUT OF RANGE
CHECK FOR BAD
CONNECTIONS
CHECK WIRE
FOR SHORTS
Possible Cause
The calculated Target RPM for the
pump indicated is out of range
1. Pump Motor failure
2. RPM Sensor failure
3. Tubing pinched in rollers
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
2. Corresponding Temperature
Sensor Probe wire(s) shorted
to housing, or to each other.
Troubleshooting Procedures
Check Pump & Flow Rate Calibration, refer
to Field Calibration Procedures
Service Required
Service Required
Replace Tubing
Service Required
Service Required
Service Required
Service Required
Service Required
Service Required
Check water supply valve
Service Required
Service Required
Service Required
23
41129 052208
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