Daikin R42NUY2S - Page 296

Troubleshooting by Remote Controller Si20-701_B
289
YES
YES
Replace the inverter PCB.
Restart the
compressor,
and then check
whether or not the
error recurs.
NO
B
Normal
• Onsite causes
such as
instantaneous
power failure or
open phase
• Conduct
checks and
diagnosis of
the
compressor.
Restart the
compressor, and then
check whether or not the
error recurs.
NO
End of work
Replace the
compressor.
• Conduct
checks and
diagnosis of
the
compressor.
Power
ON
Power
OFF
Power
ON