Problem solved?
4.11.2 Repair procedures
To correct the wiring from the indoor unit power supply terminal to the indoor unit power PCB
To remove the indoor unit power PCB
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
Blown fuse on the indoor unit power
PCB?
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.
Prerequisite: Remove the required plate work, see
1 Correct the wiring from the indoor unit power supply terminal to the indoor
unit power PCB, see
Is the problem solved?
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 Disconnect all connectors from the indoor unit power PCB.
2 Carefully click the indoor unit power PCB out of the PCB retainers.
Action
Replace the blown fuse, see
"4.11.2 Repair
Return to
procedures" [
power PCB and continue with the next
procedure.
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4
"7.2 Wiring
diagram" [
232].
Action
No further actions required.
Return to
procedures" [
power PCB and continue with the next
procedure.
4
Components
|
4
procedures" [
113].
"4.10.1 Checking
4
97] of the indoor unit
4
"4.17 Plate
work" [
144].
"4.10.1 Checking
4
97] of the indoor unit
4
"4.17 Plate
work" [
144].
Service manual
113