Quietside air conditioner error codes

When repairing a conditioner, it is very important to detect a malfunction very quickly, because time is particularly important in summer, when ACs break down endemically. At times like this, error codes are very helpful. They appear as combinations of letters and digits on the display of the indoor unit or diode lights flashing in a certain pattern. Error codes facilitate detection of faults.

Designation of sensorsFaults
Indoor ambient temperatureThe sensor is detected to be open-circuited or short-circuited for successive 30 seconds
Indoor tube temperature
Outdoor ambient temperature
Outdoor tube temperatureThe sensor is detected to be open-circuited or short-circuited for successive 30 seconds, and no detection is performed within 10 minutes after defrost begins.
ExhaustAfter the compressor has operated for 3 minutes, the sensor is detected to be open-circuited or short-circuited for successive 30 seconds.
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