98 Compressor Sensor Short Circuit (Log Alarm)

Thermo King Alarm Code
Description Corrective Action
Compressor Sensor Short 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.
  • Defective controller
  • Check sensor resistance between pins 9 and 10 on plug J15. Resistance must be 100,000 ohms at 25 C (77 F).
  • Check cable No. 1 between controller and relay board.

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