98 Compressor Sensor Short Circuit (Log Alarm) Model CSR

Thermo King Alarm Code
Description Corrective Action
Compressor Sensor Short Circuit (Check Alarm
  • Sensor circuit resistance lower than 200 ohms.
  • Temperature above 180 C (356 F). 
  • Indicates:
  • Short circuit to sensor
  • Defective or wrong sensor
  • Defective relay board
  • Defective cable No. 1
  • 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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