Welbilt Manitowoc NEO UDP0080A, Technician'S Handbook

Page: 75 / 180

Part Number STH098 06/19 75
Troubleshooting UDP0140/UDP0240/UDP0310
NOTE: Refer to “Troubleshooting UDP0080” on page 107
for these models.
PROBLEM CHECKLIST
Problem Possible Cause Correction
Ice machine does
not operate
No electrical power to
the ice machine.
Replace the fuse/reset the
breaker/turn on the main
switch/plug power cord
into receptacle.
Ice machine needs to
be turned on.
Press the On/Off button to
start ice making.
Damper in open
position (down).
Damper must be in upright
position and capable of
swinging freely.
Ice machine
stops, and can
be restarted by
turning the ice
machine OFF/
ON.
Safety limit feature
stopping the ice
machine..
Refer to “Safety Limit
Feature”
Ice sheet is thick
Water trough level is
too high.
Adjust ice thickness float.
Power button was
turned off/on during
freeze cycle and
ice remained on
evaporator.
Allow ice to thaw and
release from evaporator,
then restart
Ice damper was opened
then closed in the
harvest cycle before the
ice released.
Allow ice to thaw and
release from evaporator,
then restart
Ice machine
does not release
ice or is slow to
harvest.
Ice machine is dirty. Descale and sanitize the ice
machine
Ice machine is not level. Level the ice machine
Low air temperature
around ice machine
(air-cooled models).
Air temperature must be at
least 40° F (4°C).
Troubleshooting