Indoor Unit Power Pcb; Checking Procedures - Daikin Perfera RXM R Series Service Manual

3 | Components

3.10 Indoor unit power PCB

3.10.1 Checking procedures

To perform a power check of the indoor unit power PCB
Service manual
110
Is the problem solved?
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Turn ON the power of the unit.
2 Measure the voltage between the black and white wires of connector S101 on
the indoor unit power PCB.
Result: The measured voltage MUST be 230 V AC.
A
a b
A Wall mounted indoor unit
a Black wire
b White wire
Action
Return to "Checking
4
procedures" [ 102] of the indoor unit
main PCB and continue with the next
procedure.
"3.14 Plate work" [
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
4
151].
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01