Troubleshooting by Indication on the Remote Controller
307
Troubleshooting
NO
Check the
connection
status of
connecting wires
of the outdoor multi to
SLAVE 1. Check if the
wiring is disconnected
or is about to be
disconnected.
Replace the
outdoor unit main
PCB of the
SLAVE 1.
YES
Correct the
connecting wires
of the outdoor
multi and then
reset the power
supply.
Diagnosis Flow 3
Check of error 3
Check of error 4
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.