Daikin VRVIII-S, Service Manual

Page: 157 / 266

Troubleshooting by Indication on the remote control SiENBE34-703
146 Troubleshooting
Troubleshooting
(V3067)
(Orange) 1
Measuring points
1 - 6
2 - 6
3 - 6
4 - 6
(Red) 2
(Yellow) 3
(Black) 4
5
(Gray) 6
∗
Make measurement of resistance between the connector pins, and then
make sure the resistance falls in the range of 40 to 50
Ω
.
(V3067)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Return to normal?
Turn power supply off, and
turn power supply on again.
Electronic
expansion valve is
connected to X21A
and X22A of outdoor
unit PC board
(A1P).
Normal when coil
check (
∗
1) of the
moving part of the
electronic
expansion valve is
checked.
The connecting cable is
short-circuited or
disconnected.
Replace the connecting cable.
Replace outdoor unit PC board
(A1P).
Replace the moving part of the
electronic expansion valve.
External factor other than
malfunction (for example, noise
etc.).
After connecting, turn the power
off and then back on again.
Caution
YES
YES
YES
YES
NO
NO
NO
NO