Water valve will not
close. Potable water
level continues to
rise after contacting
the tip of the high
water level probe,
during the fill cycle.
No voltage measured at water valve
coil. Water valve remains open
because of water supply problem.
The water supply pressure must be
a minimum of 5 PSI (34 KPA)
dynamic at the water valve. Be
sure that the supply line is of
adequate size. This is especially
important for liquid cooled models
where the potable water and
condenser coolant water are
supplied by the same water line.
Check for restrictions in the water
supply line including clogged filters.
Check the water line strainer and
clean it if needed.
No voltage measured at water valve
coil. Water valve remains open
because of dirty or defective water
valve.
Disassemble and clean water valve
if needed. Make sure the bleed
holes in the valve diaphragm are
open. Replace water valve if
defective.
Line voltage measured at water valve
coil.
Test for continuity through the high
level probe and the reference
probe. Replace the probe if the
continuity is broken.
Water level probes test OK, but line
voltage measured at water valve coil.
Test controller and replace if
defective.
Water valve will not
open. Potable water
level never reaches
the high water level
reaches the high
water level probe,
during the fill cycle.
No voltage measured at water valve
coil because of an abnormal probe
continuity path.
Be sure there is no continuity path
between the probes through water
or mineral deposits on probes
through water or mineral deposits
on probes through water or mineral
deposits on the probe cap. Make
sure the cap is clean and dry
especially after cleaning the ice
machine.
Test controller and replace if
defective. No voltage measured at
water valve coil and controller output
terminal because of defective
controller.
Test controller and replace if
defective.
Water valve closes when water
contacts the tip of the low water level
probe, because the low and high
water level probes are reversed in the
water level probe terminal plug.
Relocate and reinstall the probe
wires, in the probe terminal plug or
replace the water level probe set.
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