Check Electronic Expansion Valve (CR)

Failure in the electronic expansion valve (EEV) circuit or mechanism.

Possible causes

Burned EEV stepper motor
Damaged wiring to the valve
Internal mechanical obstruction in the valve

Recommended actions

Check EEV coil resistance
Verify controller output signals
Replace expansion valve if seized

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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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