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Delta 1200 Technical Manual 07610-003-62-15 G
Issued: 10-27-2008 Revised:05-21-2012
SECTION 4: TROUBLESHOOTING
COMMON PROBLEMS
15
Problem: Rinse aid pump not feeding, detergent feeds okay.
1. Faulty speed control board. Check operation of board. If not working properly, replace.
2. Defective hose or squeeze tube. Replace hose or squeeze tube as needed.
Problem: Wash heater does not work. (Note: push wash heater contactor bar down and take amperage reading. Amps
should be correct as stated on the dish machine data plate).
1. If no amp draw, check wash heater for continuity. If open or shorted, replace the heater. If closed, replace the heater con-
tactor.
2. Wash heater relay will not energize (no voltage at contactor coil). Check for continuity at wash thermostat. If open, replace.
3. Low voltage problem. Check incoming voltage to ensure it as what the data plate calls for.