Daikin Emura RXJ20A5V1B Service Manual page 91

RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08
b
a Connector on indoor unit main PCB
b Connector on switch box
2 Measure the continuity of all wires of the wiring harness between the
disconnected connector and the connector on the switch box.
Is the wiring harness OK?
Yes
No
3 On the front grille (removed from the indoor unit), measure the resistance
between the following pins of the front panel motor connector.
Result: The measurements MUST be as shown in the table below.
Pins
3-1
3-2
3-4
3-5
1-2
1-4
1-5
2-4
2-5
4-5
Front panel motor resistance
measurements are correct?
Yes
No
a
Action
Continue with the next step.
Replace the front panel motor wiring
harness, see "4.5.2 Repair
4
procedures" [ 92].
Measured resistance (Ω)
204.6~235.4
409.2~470.8
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure..
Replace the front panel motor, see
"4.5.2 Repair procedures" [
4 Components
|
4
92].
Service manual
91