Install Manual

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10.7 Error Code: EL 0C (Refrigerant Leakage Detection diagnosis and solution)
Description: Measure the evaporator coil temperature (T2) of the compressor as it just starts running as Tcool.
In the initial 5 minutes after the compressor starts up, if the following events occur 3 times, the LED will display
the error code and the A/C will turn off.; if T2<Tcool (by 1.8°F (-1°C)) and does not remain continuous for 4
seconds, and the compressor running frequency does not remain higher than 50Hz for 3 minutes.
Recommended parts to prepare:
T2 sensor
Indoor PCB
Additional refrigerant
Troubleshooting and repair:
Power off, then restart the unit 2 minutes later.
Are any leakages
present?
Check system blockages and
clear them if any are present.
Does a problem remain?
Put your hands in front of the
indoor air outlet.
YES
Replace the
indoor PCB.
YES
Check the T2 sensor.
YES
Check system for leakages.
NO
NO
Repair the leakage and
recharge the refrigerant.
YES
NO
Is there cool air
blowing from the
indoor air outlet?
Is it securely
attached?
****Disclaimer****
The error codes and descriptions are for reference only. If your system displays any of
these codes contact a qualified technician to investigate the matter further.