Daikin R42NUY2S - Page 284

Troubleshooting by Remote Controller Si20-701_B
277
A
Supply
power and start
operation to check if the
error occurs
again.
YES
Replace the
inverter PCB.
Continue
operation
• There is a
possibility of
high
temperature of
the radiation fin
caused by any
field factors.
Check the
following items.
· Dirt of the
radiation fin
· The flow of the
air is blocked
(due to any dirt
or foreign
substances).
· Fan propeller is
damaged.
· The outdoor
temperature is
too high.
NO