Daikin R42NUY2S - Page 204

Troubleshooting by Remote Controller Si20-701_B
197
Troubleshooting
Refer to P.473.
Normal reset?
YES
NO
YES
External factor
(Noise, etc.).
Is the
electronic
expansion valve coil
connected to
outdoor unit
PCB?
NO
YES
Connect it
correctly.
Turn the power supply OFF
once and then restart.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Is resistance
of electronic
expansion valve's
coil normal?
NO
Replace the
electronic
expansion valve.
Replace the
outdoor unit
PCB.
CHECK 8
CHECK 8