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DUAL, TRIPLE, POKER DC Inverter : 3. Outdoor Unitis & Troubleshooting
Multi Liberty
DC Inverter
Restore
fan
motor’s
connector and connect if
again on Indoor Unit’s
PCB.
NO
YES
NO
Are fan motor’s connector
and wirings OK?
Is voltage being applied to the
fan motor (90~160V AC)?
Replace fan motor on Indoor
Unit.
Replace Indoor Unit’s PCB.
Error Code on Indoor Unit
Outline of malfunction
E 3
Malfunction of fan motor (beyond control) on Indoor Unit
• Troubleshooting for Error Codes shown on Display of Multi Liberty HKEU X Indoor Units
Malfunction of fan motor (beyond control) on
Indoor Unit.
Disconnect the system from power supply. Can the
fan turn easily by hand?
Detach fan’s rotary device from
motor. Check the state of motor’s
bearing.
If the bearing malfunctions, go on
to next step.
NO
YES