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150 Part Number: 000015431 Rev 02 6/20
Troubleshooting:
Refer to normal operation before troubleshooting - The T5
thermistor reading must indicate 36° F or less in the freeze
cycle and throughout the harvest cycle to shutoff on full
bin at the end of the harvest cycle.
View the T5 thermistor temperature on the touch screen
(menu/service/diagnostics/temperatures).
PROBE SHORTED - TEMPERATURE DISPLAYED IS ABOVE
400° F:
A shorted bin level probe wire/thermistor will indicate a
temperature higher than 400° F. This issues will result in
the ice machine only stopping on full bin when the bin
switch (curtain) is open at the end of a harvest cycle. The
ice machine will restart when the curtain closes.
PROBE OPEN - TEMPERATURE DISPLAYED READS -22° F
A shorted bin level probe wire/thermistor will indicate a
temperature lower than -10° F. This issue will result in the
ice machine only stopping on full bin when the bin switch
(curtain) is open at the end of a harvest cycle. The ice
machine will restart when the curtain closes.
PROBE OUT OF RANGE - TEMPERATURE READS LOWER
OR HIGHER THAN THE ACTUAL TEMPERATURE AT THE
BIN LEVEL PROBE
An out of range thermistor can indicate a temperature
higher or lower than the actual temperature at the bin
level probe location.
1. Verify actual temperature at the bin level probe
location with a thermometer.
2. Refer to “Thermistor Test” on page 158.
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