Daikin R71FUV1 Service Manual page 87

Si20-701_B
Troubleshooting
Caution
External
protection
device is connected
to terminals T1 and T2
of the indoor unit
terminal
block.
NO
Check the setting state of
the ON/OFF input from
outside by remote
controller.
External
ON/OFF
input (mode No.
12, first code No.
1) has been set to
external protection
device input (second
code No. 03) by
remote
controller.
NO
80
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
YES
Actuation of
external
protection device.
Change the
second code No.
to "01" or "02" .
Replace the
indoor unit PCB.