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52 Part Number 000014141 Rev06 9/19
Troubleshooting Section 5
Problem Possible Cause To Correct
Ice machine does not cycle
into harvest mode.
The six-minute freeze time
lock-in has not expired yet.
Wait for the freeze lock-in to
expire.
Ice thickness probe is dirty. Descale and sanitize the ice
machine. (See page 43)
Ice thickness probe is
disconnected.
Connect the probe to the
control board.
Ice thickness probe is out of
adjustment.
Adjust the ice thickness probe.
(See page 41)
Uneven ice fill (thin at the top
of evaporator).
Verify sufficient water level
in sump trough. Contact a
qualified service company to
check refrigeration system.
Ice quality is poor (soft or
not clear).
Poor incoming water quality. Contact a qualified service
company to test the quality
of the incoming water and
make appropriate filter
recommendations.
Water filtration is poor. Replace the filter.
Ice machine is dirty. Descale and sanitize the ice
machine. (See page 43)
Water dump valve is not
working.
Disassemble and clean the
water dump valve.
Water softener is working
improperly (if applicable).
Repair the water softener.
Ice machine produces
shallow or incomplete
cubes, or the ice fill
pattern on the evaporator
is incomplete.
Ice thickness probe is out of
adjustment.
Adjust the ice thickness probe.
(See page 41)
Water trough level is too low. Check the water level probe
position.
Water inlet valve filter screen
is dirty.
Remove the water inlet valve
and clean the filter screen.
Water filtration is poor. Replace the filter.
Hot incoming water. Connect the ice machine to a
cold water supply. (See page
22)
Water inlet valve is not
working.
Replace the water inlet valve.
Incorrect incoming water
pressure.
Water pressure must be
20 psi - 80 psi
(140 kPa - 550 kPa).
Ice machine is not level. Level the ice machine.
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