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Troubleshooting
SiMT041311E
165
Service Diagnosis
2.32 Humidifying Thermistor Abnormality / Humidifying
Heater Temperature Abnormality
Error Code
PH
Method of Error
Detection
An error is identified when the temperature detected by the humidifying thermistor is abnormal.
Error Decision
Conditions
When the power is supplied and the thermistor input is 4.90 V and more or 0.06 V and less.
The outlet temperature of humidifying fan is more than 90°C.
Supposed
Causes
Short circuit and wire breakage of humidifying thermistor
Disconnection of connector
Heater has a high power.
Thermistor temperature detection error
Defective rotor motor
Defective hygroscopic fan motor
Defective heater control part
Defective humidifying fan