Service Manual User Manual

4
Pump does not work
Look for Correction
1 Slow flashing Green Light Clean Liquid Level Sensors.
Fill sink with water to proper level.
Tighten the External Wiring Harness on
back of Control Panel.
2 Solid Blue Light Clean Liquid Level Sensors.
Drain sink and refill with proper water level.
3 Error LED on UPM Record the pattern – See “Error Codes”
4 Red, Green, Blue lights blinking together Low power to UPM – See “No Power”
5 No indicator lights at all Water too hot – reduce temperatures to
115° with ice or cold water
See “No Power”
Pump works- Heater does not work
Look for Correction
1 Water temperature < 110°F Check Heater and replace as necessary.
Check Triac(s) and replace as necessary.
2 Water temperature between 110°F and
120°F
Normal operating temperature.
3 Water temperature > 120°F Check Thermistor and replace as necessary.
Too much soap can cause excessive heat
buildup
Water too hot or not hot enough
Look for Correction
1 Water temperature < 110°F Check Heater and replace as necessary.
Check Triac(s) and replace as necessary.
2 Water temperature between 110°F and
120°F
Normal operating temperature.
3 Water temperature > 120°F Check thermistor and replace as necessary.
Too much soap can cause excessive heat
buildup.