Service manual

22
Electrical System
Ice Machine Cycles Into Harvest Before Water Contact With The Ice Thickness Probe
Step 1 Disconnect the ice thickness probe from the control board at terminal 1C.
Step 2 Bypass the freeze time lock-in feature by moving the ICE/OFF/CLEAN switch to OFF and back to
ICE. Wait until the water starts to flow over the evaporator, then monitor the harvest light.
Step 2
Step 2 Disconnect probe from control board terminal 1C
Monitoring of Harvest Light Correction
The harvest light stays off and the ice machine
remains in the freeze sequence.
The ice thickness probe is causing the malfunction.
Verify that the Ice Thickness probe is adjusted
correctly.
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.
1C
SV1588G
SV1591G
EVAPORATOR
ICE THICKNESS PROBE
WATER LEVEL LIGHT
BINSWITCHLIGHT
HARVEST/SAFETY LIMIT LIGHT
CLEAN LIGHT