Title: 15K+20K /10K+20K+50K Air Conditioner Temperature Sensor For AUX F4 FA E3 error
2Probes (15K+20K) / 3Probes (10K+20K+50K) Inverter Air Conditioner Temperature Sensor For AUX F4 FA E3 error Repair
This Temperature Sensor is generally used to solve the problem of F4 FA E3 error (Just for your reference).
15K+20K Sensor: 40-46cm
10K+20K+50K Sensor: 53-89cm
1.Symptoms of AUX air conditioner temperature sensor failure
1. The resistance of the indoor ambient temperature sensor increases, causing the air conditioner to start frequently.
2. The resistance of the indoor pipe temperature sensor decreases, causing the whole machine to be protected shortly after starting.
3. The indoor ambient temperature and pipe temperature sensing performance change, causing the air conditioner to malfunction.
4. The indoor pipe temperature change value is 0 ohm, causing the whole machine to have no response when it is turned on by remote control.
2. Solutions to AUX air conditioner temperature sensor failure
Temperature sensor failure accounts for a relatively large proportion of air conditioner failures.
To accurately judge, you must first understand its function.
The air conditioner control part has three temperature sensors:
1. Room temperature sensor:
Mainly detects indoor temperature. When the indoor temperature reaches the set requirements, it controls the operation of the indoor and outdoor units. When cooling, the outdoor unit stops, and the indoor unit continues to run. When heating, the indoor unit stops after blowing residual heat.
2. Outdoor defrost temperature sensor:
Mainly detects the outdoor condenser coil temperature. When the outdoor coil temperature is lower than -6 degrees Celsius for 2 consecutive minutes, the indoor unit switches to defrost state. When the outdoor coil sensor resistance is too large, the indoor unit cannot work normally.
3. Indoor pipe temperature sensor:
Mainly detects the coil temperature of the indoor evaporator, and plays the role of cold wind prevention, overheating protection, and automatic temperature control during heating. If the coil temperature does not reach 25 degrees when the machine is just turned on, the indoor fan will not run. When it reaches above 25 degrees Celsius and below 38 degrees Celsius, the indoor fan will work at a breeze, and when the temperature reaches above 38 degrees Celsius, it will work at the set wind speed; when the indoor coil temperature reaches 57 degrees Celsius for 10 seconds, the outdoor fan will stop running. When the temperature exceeds 62 degrees Celsius for 10 seconds, the compressor will also stop running. Only when the temperature drops to 52 degrees Celsius will the outdoor unit be put into operation. Therefore, when the coil resistance is larger than the normal value, the indoor unit may not start or run at a low wind speed. When the coil resistance is small, the outdoor unit will frequently stop and the indoor unit will blow cool air.
It has an anti-freeze protection function during cooling. When the indoor coil temperature is lower than -2 degrees Celsius for 2 consecutive minutes, the outdoor unit stops running. When the indoor pipe temperature rises to 7 degrees Celsius or the compressor stops working for more than 6 minutes, the outdoor unit continues to run. Therefore, when the coil resistance is too large, the outdoor unit may stop running, and the indoor unit blows natural wind, resulting in a non-refrigeration failure.
Package Περιλαμβάνονται:
1x Temperature Sensor -According to your choice
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