Unit Running on Coil Sensor (Zone)

The system is using the coil sensor to control temperature due to a main sensor failure.

Possible causes

Return air sensor failure
Active automatic emergency configuration
Data inconsistency between sensors

Recommended actions

Manually monitor cargo temperature
Replace the defective return air sensor
Perform a full self-diagnostic (Pretrip)

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Other Thermo King codes

00No Alarms Exist 02Check Evaporator Coil Sensor (Zone)03Check (Control) Return Air Sensor (Zone)04Check (Control) Discharge Air Sensor (Zone)05Check Ambient Temp Sensor 06Check Coolant Temp Sensor

View all Thermo King codes

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