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Electrical System
Problem: Water Will Not Run Into The Sump Trough During The Freeze Cycle
Step 1 Verify water is supplied to the ice machine, and then start a new freeze sequence by moving the
ICE/OFF/CLEAN toggle switch to OFF then back to ICE.
Important
This restart must be done prior to performing diagnostic procedures. This assures the ice machine is not in
a freeze cycle water inlet valve safety shut-off mode. You must complete the entire diagnostic procedure
with-in 6 minutes of starting.
Step 2 Wait until the freeze cycle starts (approximately 45 seconds, the freeze cycle starts when the
compressor energizes), and then refer to chart.
Step 2
Step 2 Checking for normal operation
Is water flowing
into the water
trough?
The Water Inlet
Valve Solenoid
Coil is:
The Water Level
Light is:
Cause
yes off Energized This is Normal Operation don’t change any parts
Energized
no on or off Or Proceed to step 3
De-Energized
Step 3 Leave the ice machine run, then disconnect the water level probe from control board terminal 1F.
Important
For the test to work properly you must wait until the freeze cycle starts, prior to disconnecting the water
level probe. If you restart the test you must reconnect the water level probe, restart the ice machine, (step
1) and then disconnect the water level probe after the compressor starts.
1G
YELLOW
GREEN
GREEN
RED
1F
1C
DISCONNECT
WATER LEVEL
PROBE FROM
TERMINAL 1F
WATER LEVEL LIGHT
BIN SWITCH LIGHT
HARVEST/SAFETY
LIMIT LIGHT
CLEAN LIGHT
SV1588 SV1621G
Step 3
Step 3 Disconnect water level probe from control board terminal 1F
The Water Inlet
Valve Solenoid
Coil is:
Is water flowing
into the water
trough?
The Water Level
Light is:
Cause
yes off Energized
The water level probe is causing the problem.
Clean or replace the water level probe.
no off Energized The water inlet valve is causing the problem.
no on or off De-Energized The control board is causing the problem.