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15.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched)
Malfunction Decision Conditions
•
During startup, error code appears when different types of indoor and outdoor units are interconnected.
Malfunction Caused
•
Wrong models interconnected.
•
Wrong indoor unit or outdoor unit PCBs mounted.
•
Indoor unit or outdoor unit PCBs defective.
•
Indoor-outdoor unit signal transmission error due to wrong wiring.
•
Indoor-outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor
and outdoor units.
Troubleshooting
When abnormality indication starts again
Is there any wiring error?
YES
Matched compatibility?
Correct the indoor-outdoor unit connection wires
Check the indoor and outdoor unit connection wires
Check the spare part numbers of the indoor and outdoor unit
PCBs and compare with their Part Lists
Change for the specified indoor or outdoor unit
PCB
Replace the indoor and outdoor unit PCBs
NO
YES
NO
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
NO
Is indoor unit and outdoor unit model numbers matched?
Match the compatible model(s)
YES
Check indoor and outdoor units model number
Содержание CS-NE12PKE
Страница 22: ...22 10 1 3 Receiver Printed Circuit Board CN RCV 10 1 4 High Voltage Power Supply Printed Circuit Board ...
Страница 23: ...23 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Страница 89: ...89 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5 ...
Страница 90: ...90 16 1 1 4 To remove control board Figure 6 16 1 1 5 To remove cross flow fan and indoor fan motor Figure 7 ...
Страница 91: ...91 Figure 8 Figure 9 ...
Страница 92: ...92 Figure 10 ...