ICE MACHINE WILL NOT HARVEST
1.Verify cubes are present in evaporator and freeze time exceeds freeze chart cycle time.
•Initial freeze cycle after resetting at toggle switch will be 5 minutes longer than chart time (refer to Sequence of Operation).
•Verify control board is not set for additional freeze time to fill out the ice cubes, see cube weight adjustment.
2.Observe control board light:
•Steady light indicates thermistor operation is normal.
•Slow flash indicates a thermistor problem (open or disconnected). Verify liquid line thermistor is connected to control board, securely attached to liquid line and insulated. Refer to resistance chart and Ohm thermistor.
•Rapid flash indicates liquid line temperature exceeded 170°F (refer to discharge pressure high checklist). If unable to determine cause, refer to resistance chart and Ohm thermistor.
3.Reset ice machine.
•Wait freeze cycle time plus an addition 5 minutes (refer to Sequence of Operation).
4.Verify the water inlet valve is energized during the entire harvest cycle and water flow is normal.
•Although the hot gas valve is energized, the ice machine will not consistently harvest if the water inlet valve does not energize or has low water flow.
5.Check for power at the hot gas valve
•Power is present - replace coil/valve.
•No power at hot gas valve - check for power at circuit board connector, replace control board if no power is present.
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