Daikin R71FUV1 Service Manual page 427

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