Daikin R71FUV1 Service Manual page 390

Troubleshooting by Remote Controller
A
Is H1P blinking?
YES
Is the
error displayed
constantly?
NO
NO (ON or OFF)
Turn OFF the power supply
and turn the power ON.
Is H1P blinking?
NO
Is H1P ON?
NO (OFF)
Turn OFF the power
supply, disconnect the
No.2 indoor-outdoor
transmission wire, and
turn power supply restart.
Is H1P blinking?
NO
YES
Si20-701_B
YES
Resets normally.
External factor
(Noise, etc.).
YES
Replace the
indoor unit PCB.
YES
Replace the
indoor unit PCB.
Replace the
outdoor unit PCB
or correct power
supply system.
Replace the
indoor unit PCB.
Resets normal
External factor
(Noise, etc.)
383