Daikin R42NUY2S - Page 332

Troubleshooting by Remote Controller Si20-701_B
325
Is the
micro-
computer normal
monitor (green) on
inverter PCB
blinking?
NO
YES
Replace the
outdoor unit
PCB.
Is the
micro-
computer normal
LED on control PCB
blinking?
NO
Replace the
outdoor unit
PCB.
YES
RZQ-K
RZQ-H, RZQ(S)-B/C, RZR
Check for
defective
connector
connection in the
transmission
wiring and for
clamps with high
tension line.
A