Daikin R48NUY2S - Page 433

Si20-701_B Troubleshooting by Remote Controller
426
YES
YES
NO
Are the
transmission
normal monitors
(HBP) of all indoor
unit PCB
blinking?
Operating
normally?
NO
YES
NO
Connect
correctly.
Replace the
indoor unit PCB.
Is the
indoor-indoor
and indoor-outdoor
jumper correctly
connected?
Operates
normally.
Turn the power OFF once,
then restart, and restart
operation.
A