Daikin R71FUV1 Service Manual page 206

Troubleshooting by Remote Controller
Troubleshooting
Caution
Is
electronic
expansion valve
connector
disconnected?
NO
Turn OFF the power
supply and turn the power
ON.
Does the
unit reset?
NO
Is coil
resistance of
electronic expansion
valve normal?
YES
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
YES
NO
Si20-701_B
Correct the
connection.
External factor
(Noise, etc.).
Replace the
electronic
expansion valve.
Replace the
outdoor unit
PCB.
199