Repair Procedures - Daikin RXTA30B2V1B Service Manual

4 | Components

4.15.2 Repair procedures

To remove the propeller fan blade assembly
To remove the DC fan motor assembly
Service manual
138
Pulses are measured during fan blade
propeller rotation?
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.
INFORMATION
Use a pulley remover if the propeller cannot be removed manually.
4 To install the propeller fan blade assembly, see
4
procedures" [ 138].
1 Remove the propeller fan blade assembly from the DC fan motor assembly,
see "4.15.2 Repair
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
2 Disconnect the DC fan motor connector from the main PCB.
3 Cut the tie strap.
Action
Perform a check of the main PCB, see
"4.14.1 Checking
Replace the DC fan motor, see
"4.15.2 Repair
"4.17 Plate
a b
4
procedures" [ 138].
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
procedures" [
4
procedures" [
4
work" [ 144].
"4.15.2 Repair
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
4
126].
138].