110 KVQ Sensor Open Circuit (Check Alarm)

Thermo King Alarm Code
Description Corrective Action
KVQ Sensor Open Circuit (Check Alarm)
  • Sensor circuit resistance higher than 10,000,000 ohms.
  • Indicates:
  • Open circuit to sensor
  • Defective or wrong sensor
  • Defective relay board
  • Defective cable No. 1
  • Defective controller
  • Check sensor resistance between pins 11 and 12 on plug J15. Resistance must be 20,000 ohms at 25 C (77 F). 
  • Check cable No.1 between controller and relay board.

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