Humidifying Thermistor Abnormality / Humidifying Heater Temperature Abnormality - Daikin FTXZ25NV1B Service Manual
Ftxz-n series inverter pair wall mounted type
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Also See for FTXZ25NV1B:
- Operation manual (48 pages) ,
- Service manual (36 pages) ,
- Installation manual (23 pages)
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Troubleshooting
2.32 Humidifying Thermistor Abnormality / Humidifying
Heater Temperature Abnormality
PH
Error Code
Method of Error
An error is identified when the temperature detected by the humidifying thermistor is abnormal.
Detection
Error Decision
Conditions
Supposed
Causes
165
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.
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
SiMT041311E
Service Diagnosis
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