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Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
32
DIAGNOSIS AND SOLUTION (CONT)
Refrigerant Leakage Detection (EL0C)
Description: Define the evaporator coil temperature T2 of the compressor as it starts running as Tcool. Five minutes after the
compressor starts, if T2<Tcool-2C does not maintain continuous 4 seconds, and this issue occurs 3 times, the display area
illuminates “EC” and the AC turns off.
Recommended parts to prepare:
• Faulty T2 sensor
• Faulty indoor PCB
• System problems, such as leakage or blockages
Troubleshooting and Repair:
Are there any leaks?
Check system for blocks and
clear any blocks if present .
Does a problem remain ?
Put your hands in front of the
indoor air outlet .
YES
Is there cool
air coming from the
indoor air outlet?
Is it securely
attached?
Replace the
indoor PCB.
YES
Check the T2 sensor.
YES
Check system for leaks.
NO
NO
Repair the leak(s) and
recharge the refrigerant .
YES
NO
Power o the unit. Wait 2 minutes then restart.
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