Daikin Super Multi Plus E-Series - Page 379

SiEN18-622 Troubleshooting for Outdoor Unit
Troubleshooting 367
Troubleshooting
(V3067)
1 - 6
2 - 6
3 - 6
4 - 6
Measuring points
(Orange) 1
(Red) 2
(Yellow) 3
(Black) 4
5
(Gray) 6
(V3067)
YES
Caution
NO
NO
NO
NO
YES
YES
YES
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn power supply off, and
turn power supply on again.
Return to normal?
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 isshort-circuited
or disconnected.
External factor other than
malfunction (for example,
noise etc.).
After connecting, turn the
power off and then back on
ag
ain.
Replace the moving part of
the electronic expansion
valve.
Replace the connecting cable.
Replace outdoor unit PC
board (A1P).
* Make measurement of resistance
between the connector pins, and
then make sure the resistance
falls in the range of 40 tot 50Ω.