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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