Installation and User Manual

UF424 / UN324 Installation and User Manual
August 2017
11
Controller Diagnostics
Code or Light Action Probable Cause Suggested Action
O
Unit manually switched off If desired, switch unit on.
F
Freeze mode None, unit is making ice.
b
Bin sensors sense bin full Check if bin is full.
E
Corrupted memory Replace controller
C
Clean mode Continue clean mode
d
Test mode None, allow unit to nish test
mode.
1
Auger motor rotated auger
backwards.
Replace auger motor. Check water
seal area for leaks, replace seal if
leaking.
2
Auger motor stalled or operating
slowly
Clean ice making system and retry.
If unit shuts off again right after a
reset, magnet rotor on motor shaft
may be loose.
3
No water in reservoir Restore water. If there is water,
is it too pure? Are sensor wires
connected?
4
High pressure cut out open Check fan motor on air cooled or
water supply on water cooled.
Status light is on Unit is in ice making mode Normal, may not be making ice if
bin is full
Time to Clean light is on Unit has not been cleaned for at
least 6 months
Clean unit
Auger light is on Auger motor is active Normal when making ice
Compressor light is on Compressor is active Normal when making ice