Troubleshooting; Checklist - Koolaire K Serie Manuel D'installation, D'utilisation Et D'entretien

Checklist

If a problem arises during operation of your ice machine, follow the checklist below before calling service. Routine
adjustments and maintenance procedures are not covered by the warranty.
Problem
Ice machine does not operate.
Ice machine stops, and can be restarted
by turning the ice machine OFF and then
ON.
Ice sheet is thick
Ice machine does not release ice or is slow
to harvest.
Ice machine does not cycle into harvest
mode.
Ice quality is poor
(soft or not clear).
Ice machine produces shallow or
incomplete cubes, or the ice fill pattern on
the evaporator is incomplete.
Continued on next page...
Part Number 000012545 Rev 03 07/22
Section 5

Troubleshooting

Possible Cause
No electrical power to the ice machine.
Ice machine needs to be turned on.
Curtain in open position (down).
Safety limit feature stopping the ice machine. Refer to "Safety Limit Feature" on the next
Water trough level is too high.
Power button was turned off/on during freeze
cycle and ice remained on evaporator.
Ice damper was opened then closed in the
harvest cycle before the ice released.
Ice machine is dirty.
Ice machine is not level.
Low air temperature around ice machine (air-
cooled models).
Water regulating valve leaks in harvest mode
(water-cooled models).
The six-minute freeze time lock-in has not
expired yet.
Ice thickness float switch is dirty.
Ice thickness float switch wire is disconnected. Connect the wire.
Ice thickness float switch is out of adjustment. Adjust the ice thickness float switch.
Uneven ice fill (thin at top of evaporator).
Poor incoming water quality.
Water filtration is poor.
Ice machine is dirty.
Water softener is working improperly (if
applicable).
Ice thickness float switch is out of adjustment. Adjust the ice thickness float switch.
Water trough level is too high or too low.
Water filtration is poor.
Hot incoming water.
Incorrect incoming water pressure.
Ice machine is not level.
To Correct
Replace the fuse/reset the breaker/turn on the
main switch/plug power cord into receptacle.
Place the toggle switch in the ICE position to
start ice making.
Curtain must be in the closed position and
capable of swinging freely.
page.
Adjust ice thickness float.
Allow ice to thaw and release from evaporator,
then restart.
Allow ice to thaw and release from evaporator,
then restart.
Clean and sanitize the ice machine.
Level the ice machine.
Air temperature must be at least 40°F (4°C).
Replace water regulating valve.
Wait for freeze lock-in to expire.
Clean and sanitize the ice machine.
See "Shallow or Incomplete Cubes" on the
next page.
Contact a qualified service company to test
the quality of the incoming water and make
appropriate filter recommendations.
Replace the filter.
Clean and sanitize the ice machine.
Repair the water softener.
Check the water level and adjust if required.
Replace the filter.
Connect the ice machine to a cold water
supply.
Water pressure must be 20-80 psi (137.9 -
551.5 kPa).
Level the ice machine.
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