Daikin Perfera RXM R Series Service Manual page 92

3 | Components
To perform an electrical check of the DC fan motor assembly
Repair procedures
To remove the DC fan motor assembly
Service manual
92
3 Manually rotate the fan and check the friction of the DC fan motor shaft
bearing.
Is the DC fan motor shaft friction
normal?
Yes
No
Prerequisite: First perform a mechanical check of the DC fan motor assembly, see
"Checking procedures" [
1 Remove the cover from the switch box; see
2 Disconnect the DC fan motor connector from the appropriate PCB.
3 Measure the resistance between the pins 1-2, 1-3, and 2-3 of the DC fan
motor connector.
Result: All measurements MUST be approximately the same.
DC fan motor measurements are
correct?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Remove the switch box, see
2 Click the indoor unit fan motor cover out of the indoor unit. If needed, remove
the screw (if installed) on the right hand side of the fan motor cover for easier
removal.
Action
Perform an electrical check of the DC
fan motor assembly, see
procedures" [
Replace the DC fan motor assembly, see
"Repair
4
91].
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Replace the DC fan motor, see
procedures" [
"3.14 Plate work" [
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
"Checking
4
91].
4
procedures" [ 92].
4
"3.14 Plate work" [ 151].
4
92].
4
"3.14 Plate work" [ 151].
4
151].
Split New Perfera R32
ESIE20-11 – 2021.01
"Repair
FVXM25~50A