Troubleshooting
Page 96
5.6 F0(Communication malfunction between indoor unit and auto-lifting panel diagnosis
and solution)
Description: Indoor PCB does not get the feedback from the PCB of auto-lifting panel.
Recommended parts to prepare:
• Wiring mistake between indoor PCB and auto-lifting panel
• Faulty PCB of auto-lifting panel
• Faulty indoor PCB
Troubleshooting and repair:
Communication failure between indoor unit and
auto-
lifting panel
Communication failure between indoor unit and
auto-lifting panel
NO
Replace the indoor main PCB
Replace the indoor main PCB
is it in working order?
is it in working order?
YES
Has the problem been solved?
Has the problem been solved?
Check the wire connection between auto-lifting
panel and indoor unit
Check the wire connection between auto-lifting
panel and indoor unit
Replace the main control of auto-lifting panel.
Replace the main control of auto-lifting panel.
Correct the connection
Correct the connection NO
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