Daikin R30PUY2S - UA Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller

Si20-701_B Troubleshooting by Remote Controller
420
Troubleshooting
Controlling
with 2-remote
controller
NO
YES
YES
NO
NO
Both
SS-1
switches on
remote controllers are
turned to SUB.
SS-1
switch on
remote controller PCB
is turned to
MAIN.
YES
Is there
continuity in
remote controller
wiring?
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Replace the
remote controller
wiring.
Turn the SS-1
switch of one
remote controller
to MAIN.
Turn OFF the
power supply,
and restart
operation.
Turn the SS-1
switch of one
remote controller
to MAIN.
Turn OFF the
power supply,
and restart
operation.
YES
Turn OFF the
power once and
restart operation.
Replace the
remote controller
PCB if any error
is generated.
NO