130 Part Number 80-1230-9 10/10
QF2200 ONLY - TEMPERATURE IS TOO HIGH OR
LOW
The temperature sensor (thermistor) is mounted on
the liquid line. The temperature sensor provides input
to the control board. The control board monitors the
temperature anytime the liquid line solenoid valve is
energized.
If the thermistor detects 123°F or higher for 15
continuous seconds:
1. The ice machine will de-energize the liquid line
solenoid and gear motor and initiate a SafeGuard.
2. The control board “Disch Temp” light will continue
to flash twice then pause, to indicate the ice
machine has shut off on high temperature.
3. The ice machine will remain off until the toggle
switch is moved from ICE to OFF, and back to
ICE.
or
Line voltage is interrupted and restored.
If the thermistor detects 30°F or less for 3
continuous minutes:
1. The control board ignores the low temp. limit for
the first 30 minutes of compressor run time.
2. The ice machine will de-energize the liquid line
solenoid and gear motor, continuously flash the
control board “Disch Temp” light and initiate a 60-
minute Standby Mode.
3. After the 60-minute Standby Mode, the ice
machine will de-energize the “Disch Temp” light
and initiate a start-up sequence.
4. After 30 minutes of compressor run time, the ice
machine will check the liquid line temperature.
Liquid line temperature normal:
The ice machine continues to make ice.
Liquid line temperature below 30°F after 30 minutes of
run time:
The ice machine will start another 60-minute Standby
Mode.
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