Part Number 80-1230-9 10/10 127
TEMPERATURE IS TOO HIGH OR TOO LOW
QF0400/QC0700/QF0800
The temperature sensor (thermistor) is mounted on
the compressor discharge line. The temperature
sensor provides input to the control board. The control
board monitors the temperature anytime the
compressor is energized.
If the thermistor detects 245°F or higher for
15 continuous seconds:
1. The ice machine will de-energize the compressor
and gear motor and initiate a SafeGuard Mode.
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 155°F or less for 3
continuous minutes:
1. The control board ignores the low temperature
limit for the first 30 minutes of compressor run
time.
2. The ice machine will de-energize the compressor
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 discharge line
temperature.
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