Part Number 000014141 Rev 08 5/21 53
Section 5 Troubleshooting
Problem Possible Cause To Correct
Low ice capacity. Water inlet valve filter screen
is dirty.
Remove the water inlet valve
and clean the filter screen.
Incoming water supply is shut
off.
Open the water service valve.
Water inlet valve stuck open
or leaking.
Press the power button and
turn off the ice machine, if
water continues to enter
water trough, replace the
water inlet valve.
The condenser is dirty. Clean the condenser.
High air temperature entering
condenser.
Refer to minimum/maximum
air temperature chart for your
model on page 14.
The harvest assist air
compressor is not functioning.
Call for service.
Service Faults
In addition to the standard safety controls,
such as the high pressure cutout, your
Manitowoc ice machine features built-
in service faults which will stop the ice
machine if conditions arise which could
cause a major component failure.
Before calling for service, re-start the ice
machine using the following procedure:
1. Press the power button. The display
reads “Off”. Press the power button
again, and the display reads “Making
Ice”.
A. If a service fault has stopped the
ice machine, it will restart after a
short delay. Proceed to step 2.
B. If the ice machine does not
restart, see “Ice machine does not
operate” on page 51.
2. Allow the ice machine to run to
determine if the condition repeats.
A. If the ice machine stops again, the
condition has repeated. Call for
service.
B. If the ice machine continues to
run, the condition has corrected
itself. Allow the ice machine to
continue running.
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