Daikin RXM20R Service Manual page 170

4 | Components
Service manual
170
2 Remove the main PCB, see
measuring points are ONLY reachable on the back side of the main PCB.
3 Measure the resistance of the reactor using a low ohm multi meter.
Result: The resistance MUST be as follows:
Measuring points
c
d
a L803
b L804
c Measuring point
d Measuring point
Is the resistance measurement correct? Action
Yes
No
4 Measure the inductance of the reactor using an LCR meter.
Result: The inductance MUST be 80~100 µH.
a L803
b L803 measuring point
c L804
d L804 measuring point
Is the inductance measurement
correct?
Yes
"Repair procedures" [
Resistance
24~36 mΩ
68~102 mΩ
c a d c b d
c d c d
Proceed with the next step.
Replace the reactor, see
procedures" [
b a d c
b d
Action
Return to the troubleshooting of the
specific error and continue with the
next step.
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
4
133]. The reactor
"4.15.2 Repair
4
172].
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02