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SiBE341027
Troubleshooting by Remote Controller
Service Diagnosis
165
Troubleshooting
YES
NO
YES
NO
YES
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Diagnosis Flow 6
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the outdoor unit main
PCB.
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the outdoor unit main
PCB.
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the outdoor unit main
PCB.
Diagnosis Flow 7
Diagnosis Flow 8
Check the connection status
of one of the connecting
wires of outdoor multi. Check
if the wiring is broken or
disconnected.
In the connection
status of the outdoor
multi, check if more
than 4 outdoor units
are connected.
Check the connection status
of the connecting wires of
outdoor multi. Check if the
wiring has any connection
error or broken, or is about to
be disconnected.
Confirmation of error 3 Confirmation of error 4
Confirmation of error 3 Confirmation of error 4
Confirmation of error 3 Confirmation of error 4