Daikin R71FUV1 Service Manual page 110

Troubleshooting by Remote Controller
Troubleshooting
Caution
The
electronic
expansion valve is
connected to the
indoor unit
PCB.
YES
Normal
when coil check
(∗1) of the electronic
expansion valve coil
is checked.
YES
The
connecting
cable is short
circuited or
disconnected.
NO
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
YES
Si20-701_B
After connecting,
turn the power
supply OFF and
then restart.
Replace the
electronic
expansion valve
coil.
Replace the
connecting cable.
If you turn the
power supply
OFF and turn ON
again, and it still
does not help,
replace the
indoor unit PCB.
103