Manitowoc Marine Q 1000, Service Technician'S Handbook

Page: 70 / 179

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Step 3. Allow ice machine to run. Disconnect the water
level probe from control board terminal 1F, and
connect a jumper wire from terminal 1F to any cabinet
ground.
Remember, if you are past 6 minutes from starting, the
ice machine will go into a Freeze cycle water inlet
valve safety shut-off mode, and you will be unable to
complete this test. If past 6 minutes, you must restart
this test by disconnecting the jumper wire, restarting
the ice machine (step 1), and then reinstalling the
jumper wire to terminal 1F after the compressor starts.
Step 3. Jumper Wire Connected from
Control Board Terminal 1F to Ground
Is Water
Flowing
into the
Water
Trough?
The
Water
Level
Light Is:
The Water
Inlet Valve
Solenoid
Coil Is:
Cause
No On De-energized
The water
level probe is
causing the
problem.
Clean or
replace the
water level
probe.
Yes Off Energized
The control
board is
causing the
problem.
Yes Off De-energized
The water fill
valve is
causing the
problem.