Troubleshooting; Troubleshooting U0140/Uf0140/U0190; Uf0190/U0240/Uf0240/U0310/Uf0310; Problem Checklist - Welbilt Manitowoc NEO UDE0065A Technician's Handbook

Troubleshooting U0140/UF0140/U0190/

UF0190/U0240/UF0240/U0310/UF0310

NOTE: Refer to "Troubleshooting UDE0065" on page 130
and "Troubleshooting UDE0080" on page 154 for these
models.

PROBLEM CHECKLIST

Problem
Ice machine does
not operate
Ice machine
stops, and can
be restarted by
turning the ice
machine OFF/
ON.
Ice sheet is thick
Ice machine
does not release
ice or is slow to
harvest.
Ice machine
does not release
ice or is slow to
harvest.
Part Number 000014797 Rev02 05/19

Troubleshooting

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..
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).
Correction
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.
Refer to "Safety Limit
Feature"
Adjust ice thickness float.
Allow ice to thaw and
release from evaporator,
then restart
Allow ice to thaw and
release from evaporator,
then restart
Descale and sanitize the ice
machine
Level the ice machine
Air temperature must be at
least 40° F (4°C).
Replace water regulating
valve
89