VRV Series
2.3 Self-diagnosis by
Wireless Remote Controller ..............................22
3. Troubleshooting by Indication on
the Remote Controller ..................................... 46
3.1 A0 External Protection Device
Abnormality .......................................................46
3.3 A3 Drain Level Control System (S1L)
Abnormality .......................................................49
3.6 A6 Overload/Overcurrent/
Lock of Indoor Unit Fan Motor ..........................57
3.9 A9 Electronic Expansion Valve Coil Abnormality /
Dust Clogging ...................................................68
3.11 AJ Capacity Determination Device
Abnormality .......................................................73
3.12 C1 Transmission Error
(between Indoor unit PCB and Fan PCB) .........75
3.15 C6 Combination Abnormality
(between Indoor unit PCB and Fan PCB) .........82
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