Before Calling For Service Section 5
5-4
Part Number 000005544 12/09
NO ICE PRODUCTION
The damper door (HES1) fails to open and close at least
once during the first 8 minutes of compressor run time
or
The damper door fails to open and close at least once
every 90 seconds during the freeze cycle
1. The ice machine will de-energize the compressor
and gear motor immediately
2. Continuously flash the HES1 control board light
3. Initiate a 60 minute Standby Mode
After the 60 minute standby the ice machine will restart.
ICE PRODUCTION NORMAL:
The ice machine will continue to run.
NO ICE PRODUCTION:
The ice machine will start another 60 minute Standby
Mode.
When 5 consecutive 60 minute Standby Modes occur
the ice machine shuts off and flashes the HES1 control
board light. The ice machine must be reset by cycling
the toggle switch from ICE to OFF to ICE.
INDICATOR LIGHT
Before 48 hours have elapsed:
After a Standby Mode has been initiated the HES1 light
will flash anytime the toggle switch is placed in the OFF
position.
After 48 hours have elapsed:
The SafeGuard will be automatically erased from
memory and the HES1 light will not flash.
No Ice Production SafeGuard Checklist
Possible Problem List Corrective Action List
Ice machine evaporator has mineral buildup Clean the ice machine
Damper door removed or incorrectly installed Refer to component identification for correct placement
Disconnected or defective damper door sensor Refer to component identification and verify sensor at damper
door is attached
Ice frozen to auger/evaporator Allow evaporator to thaw 1 hour, then retry.
Low voltage Voltage must be within ± 10% of nameplate voltage.
Gear motor doesn’t run, compressor will not run, compressor
runs without producing ice
Contact a qualified service company
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