Daikin R42NUY2S - Page 347

Si20-701_B Troubleshooting by Remote Controller
340
Troubleshooting
Has the
PCB been
replaced?
NO
YES
YES
When
replacing the
main PCB, were field
setting properly
made?
NO
Correct the field
settings.
Is
the type of
PCB correct?
NO
Replace with a
correct PCB.
Reset, and then
restart.
YES
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.