40MBAB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
23
DIAGNOSIS AND SOLUTION (CONT.)
EL0C - Refrigerant Leakage Detection Diagnosis and Solution
Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure.
Recommended parts to prepare:
• Indoor PCB
• Additional Refrigerant
Troubleshooting and Repair:
Power off, then restart the unit 15 minutes later.
Are there any leaks?
Place your hands in front
of the indoor air outlet.
Is cool or hot air
blowing from the indoor
air outlet?
Ensure proper connections.
Check system for leaks.
NO
NO
Repair the leak and
recharge the refrigerant.
YES
NO
Is T2 loose ?
YES
YES
Is T1 too close to
the evaporator?
NO
Install correctly.
YES
Replace the indoor PCB.
NO
Charge the refrigerant
correctly (about 10% of
the nameplate charge).
