Controller diagnostics – Scotsman HID312 Service Manual User Manual
Page 26
HID312, HID525, HID540
Service Manual
April 2015
Page 26
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 finish 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.
Water dispense sensed light
blinking
Container positioned in front of
water dispense sensor 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 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 Normal during water dispensing
Ice Dispensed Sensed light is on
A container is in front of the sensor 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