234
Thermo King
Warning

Check Relative Humidity Sensor Circuit

A problem has been detected in the relative humidity sensor circuit.

Possible causes

  • Dirty or contaminated humidity sensor
  • Sensor power supply failure
  • Damaged sensor wiring

Recommended actions

  • Gently clean the humidity sensor
  • Verify 5V/12V supply voltage
  • Replace sensor if reading is fixed at 0% or 100%

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