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HID312, HID525 and HID540
Installation and User’s Manual
September 2020
Page 23
Controller Diagnostics
Code or Light Action Probable Cause Suggested Action
O
Unit manually switched o 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.
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.
Water dispense sensed light
blinking
Container positioned in front of
water dispense sensor or button
pressed for more than 24 seconds
Normal, controller has a time limit
for dispensing. Remove container.
Water dispense light blinking
Ice dispense sensed light blinking Container positioned in front of ice
dispense sensor or button pressed
for more than 20 seconds.
Ice dispense light blinking
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
Water Dispensed Sensed light is
on
A container is in front of the sensor
or the water button is pressed.
Normal during water dispensing
Ice Dispensed Sensed light is on A container is in front of the sensor
or the ice button is pressed.
Normal during ice dispensing
Water Dispense light is on Water solenoid has been activated Normal during water dispensing
Ice Dispense light is on Bin drive motor has been activated Normal during ice dispensing
Auger light is on Auger motor is active Normal when making ice
Compressor light is on Compressor is active Normal when making ice
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