When the filter is dirty and blocked, your AC has to work harder to keep up.
The compressor or fans might fail prematurely.
The circulated air will be unhealthy.
Electric Control Failure
Electric Control Failure
Compressor and fan may wear out if the air conditioner is turned on/off very frequently.
Sensor Failure
Sensor Failure
If the sensor has failed or it is not positioned the air conditioner starts behaving erratically. The sensor should be near the coil but not touching it
Drainage problems
Drainage problems
Check if the condensate drain is not clogged and correctly installed. Condensate may also leak if the tray is damaged.