Low Evaporator Coil Temperature (CR)

Evaporator coil temperature is dangerously low, which may lead to icing or freezing.

Possible causes

Insufficient airflow due to dirty coil or ice buildup
Low refrigerant charge
Evaporator fan failure
Incorrectly adjusted expansion valve

Recommended actions

Perform a manual defrost cycle immediately
Verify coil is not obstructed by debris
Inspect fan operation and speed
Check system suction pressures

Can't find your code? Talk to an expert

$150

One-on-one phone session with a Low Temp refrigeration tech. Emergency temporary assistance only.

Email (opcional)

Teléfono (opcional)

¿Tienes un cupón?

I understand this is emergency temporary remote guidance only, no repair is guaranteed, I assume all risks, and Low Temp Service is not liable for cargo, engine, electrical, mechanical or accident damages. I accept the Terms & Conditions.

Have a question? Ask the community

Thousands of refrigeration mechanics read and answer for free. Post your case in under 1 minute.

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

Need a professional diagnosis?

Low Temp Service — refrigeration experts in Florida.