Service manual

Service and Parts Manual
22
NEVER attempt to repair or perform maintenance on the unit until the main
electrical power has been disconnected.
1. Unit Does Not Operate (With drain pump; light on control board is not illuminated)
Cause Remedy
■ No electrical power to the unit ■ Make sure unit is plugged in and outlet
has power
■ Rocker switch set incorrectly ■ Check switch wiring. Set to “ICE”
■ Drain tube is kinked or obstructed ■ Clear the tubing
a
■ Bad pump. Diagnose by bypassing ■ Change pump
b
the pump. Pull both pink wires from
control board and jump the two
terminals together. If unit starts up,
then the pump is bad.
a: If water cannot drain from pump, unit will shut down due to safety design of pump.
b: Jumping the two terminals on control board together with a jumper wire will eliminate
pump from the circuit.
2. Unit Does Not Operate (Without drain pump; light on control board is not illuminated)
Cause Remedy
■ No power to unit ■ Jumper plug off power cord
3. Unit Does Not Operate And Light On Control Board is Illuminated
Cause Remedy
■ Bad bin thermostat ■ Replace bin thermostat
c
■ Bin thermostat set incorrectly ■ Set bin thermostat at the 10:00 position
c: The unit is falsely sensing a full bin.
4. No Ice Production
Cause Remedy
■ No water supplied to unit ■ Check that water is connected and
turned on
■ Stand pipe not inserted in water trough ■ Insert stand pipe securely into water
trough
■ Re-circulating pump is defective ■ Replace re-circulating pump
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TROUBLESHOOTING