Daikin Perfera RXM R Series Service Manual page 148

3 | Components
Problem solved?
Repair procedures
To remove the propeller fan blade assembly
Service manual
148
CAUTION
Ensure that the system CANNOT start the fan. Disable all modes (heating, cooling, ...)
on the unit. The outdoor unit MUST be kept powered.
14 Manually (slowly) rotate the fan blade propeller 1 turn and measure the
voltage on the DC fan motor connector pins 1-4.
Result: 4 pulses MUST be measured.
Pulses are measured during fan blade
propeller rotation?
Yes
No
After all checking procedures listed above have been performed:
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
2 Remove the nut that fixes the propeller fan blade assembly.
a Nut
b Propeller fan blade assembly
3 Pull and remove the propeller fan blade assembly from the DC fan motor
assembly.
Action
Perform a check of the main PCB, see
"Checking procedures" [
Replace the DC fan motor, see
procedures" [
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"3.14 Plate work" [
a b
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
4
132].
"Repair
4
148].
4
151].
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01