Check Multi-Temp Fan Speed Control Output (Zone)

Error in the speed control of the multi-temperature evaporator fans.

Possible causes

Defective fan control module
Damaged high/low speed relays
Fan mechanically blocked or burned out

Recommended actions

Test fan motors directly
Check speed control relays
Verify zone parameter settings

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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

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