Failed Water Temperature Shutdown; Possible Causes; Open Water Temperature Thermistor - Cornelius XAC 1444 Service Training Manual

FAILED WATER TEMPERATURE SHUTDOWN

1. If the water temperature does not reach 40
2. While shut down, the ERROR LED flashes 4 times at 4 second intervals.
3. The machine will not run until the power is cycled OFF and then ON.

Possible Causes

1. Water pump failure.
2. Low refrigerant charge.
3. Leak in refrigerant lines.
4. Compressor failure.
5. Hot gas valve leaking.

OPEN WATER TEMPERATURE THERMISTOR

1. If the water temperature thermistor is open, the machine shuts down.
2. While shut down, the ERROR LED flashes 7 times at 4–second intervals.
3. The machine will not run until the power is cycled OFF and then ON.
Possible Causes
1. Thermistor wire removed.
2. Thermistor failure.
TP00952
_
F within 5.5 minutes, the machine shuts down.
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Xtreme Ice Training Manual
October 17, 2005