ñ55ñStep 3. Disconnect the ice thickness probe from thecontrol board at terminal 1C. Clip the jumper wireleads to terminal 1C on the control board and anycabinet ground.Monitor the Harvest light.Harvest Light On• The harvest light comes on, and 6-10 seconds later,the ice machine cycles from Freeze to Harvest.The ice thickness probe is causing the malfunction.• The Harvest light comes on, but the ice machinestays in the Freeze sequence.The control circuitry is functioning properly. The icemachine is in a six-minute freeze time lock-in (verifystep 1 of this procedure was followed correctly).Harvest Light Off• The Harvest light does not come on.The control board is causing the malfunction.ICE MACHINE CYCLES INTO HARVEST BEFOREWATER CONTACT WITH THE ICE THICKNESSPROBEStep 1. Bypass the freeze time lock-in feature bymoving the ICE/OFF/CLEAN switch to OFF and backto ICE. Wait until the water starts to flow over theevaporator, then monitor the Harvest light.Step 2. Disconnect the ice thickness probe from thecontrol board at terminal 1C• The Harvest light stays off, and the ice machineremains in the Freeze sequence.The ice thickness probe is causing the malfunction.Verify that the ice thickness probe is adjusted correctlyand clean.• The Harvest light comes on, and 6-10 seconds later,the ice machine cycles from Freeze to Harvest.The control board is causing the malfunction.
