Check Evaporator Fan Low Speed (Zone)

Failure detected in the evaporator fans' low-speed circuit.

Possible causes

Defective low-speed relay
Damaged fan motor
Open wiring or high resistance
Blown fan fuse

Recommended actions

Test fan motors individually
Verify speed control relays
Inspect terminal box connections
Measure motor amperage

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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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