SG-38MARB-01 Specifications subject to change without notice. 43
DIAGNOSIS AND SOLUTION (CONT)
Refrigerant Leakage Detection (EL0C)
Description: Define the compressor’s evaporator coil temperature (T2) starts running as Tcool.
In the initial 5 minutes after the compressor starts, if T2<Tcool-1.8
F (1C) is not maintained for 4 seconds and the compressor runs at a
frequency is higher than 50Hz however it does not maintain for a minimum of three minutes and this issue occurs 3 times, the LED displays the
failure code and the unit turns off.
Recommended parts to repair:
• T2 Sensor
• Indoor PCB
• Additional refrigerant
Troubleshooting
Power o the unit. Restart the unit 2 minutes later.
Are there
any leaks?
Check the system for blocks and
clear any if present.
Does a problem remain?
Place your hands in front of the
indoor air outlet.
YES
Is cool air
blowing from the
indoor air outlet?
Is it securely
attached?
Replace the
indoor PCB.
YES
Check the T2 sensor.
YES
Check the system for leaks.
NO
NO
Repair the leak and
recharge the refrigerant.
YES
NO
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