Daikin Perfera RXM71R - Indoor Unit Power PCB; Checking Procedures

3 | Components
Service manual
110
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
Is the problem solved? Action
No Return to "Checking
procedures"[4102] of the indoor unit
main PCB and continue with the next
procedure.
3.10 Indoor unit power PCB
3.10.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a power check of the indoor unit power PCB
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.14Plate work"[4151].
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