Customer Support; Checklist - Manitowoc NEO UD0140A Manuel D'instructions

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).
Part Number 040002909 Rev01 4/15
Section 5

Customer Support

Possible Cause
No electrical power to the ice machine.
Ice machine needs to be turned on.
Damper 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.
Harvest float switch is dirty.
Harvest float switch wire is disconnected.
Harvest float switch is out of adjustment.
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).
To Correct
Replace the fuse/reset the breaker/turn on
the main switch/plug power cord into
receptacle.
Press the On/Off button to start ice
making.
Damper must be in upright 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.
Connect the wire.
Adjust the harvest float switch.
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.
Continued on next page...
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