Before Calling for Service
Section 5
5-4
Part Number 000001196 3/08
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
The ice damper is binding
Adjust hall effect sensor housing screws in/out, check ice chute
placement and hose clamp
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
Check for power to remote condensing unit, if applicable
contact a qualified service company
