Daikin Perfera FTXM71R - Page 124

3 | Components
Service manual
124
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
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.
Result: The measured voltage MUST be 230VAC.
a
b
a Black wire
b White wire
Is the measured voltage on the PCB
correct?
Action
Yes Return to "Checking
procedures"[4123] of the PCB and
continue with the next procedure.
No Continue with the next step.
3 Check the power supply to the unit, see "Checking procedures"[4202].
Does the unit receive power? Action
Yes Replace the main PCB, see "Repair
procedures"[4131].
No Adjust the power supply to the unit, see
"Repair procedures"[4203].
To check the HAP LED of the main PCB
Prerequisite: First check the power supply to the main PCB, see "Checking
procedures"[4123].
1 Locate the HAP LED on the main PCB.
a