111 KVQ Heat Error (Check Alarm)

Thermo King Alarm Code

Description	Corrective Action
KVQ Heat Error (Check Alarm) KVQ valve actuation temperature is not in range within preset time. Indicates: Disconnected CB7A Defective heat element in valve actuator Inaccurate actuator temperature measurement Defective relay board Defective circuit between pin 4 and 6 on plug J11 (KVQ actuator requires power from both relays 2 and 3) Defective cable No. 2 Defective controller	Carefully inspect actuator: If actuator is hot, check that the actuator sensor has been mounted correctly in p ins 11 and 12 on plug J15. If actuator is not hot, check resistance between pins 5 and 6 on plug J11. Resistance must be about 17 Ohms. Check voltage from pins 5 and 6 (relays 2 and 3).  Check cable No. 2 between controller and relay board.