Daikin Perfera FVXM A Series - Page 104

3 | Components
Service manual
104
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
3 Measure the output voltage between the pins 1‑4 of the connector S102 on
the innndoor unit power PCB.
Result: The measured voltage MUST be 324VDC.
Output voltage on indoor unit power
PCB correct?
Action
Yes Correct the wiring between the indoor
unit main PCB and indoor unit power
PCB, see "Repair procedures"[4203].
No Perform a check of the indoor unit
power PCB, see "Checking
procedures"[4110].
To check the HAP LED of the indoor unit main PCB
INFORMATION
HAP LED is ONLY available on the main PCB of the floor standing indoor units.
Prerequisite: First perform a power check of the indoor unit main PCB, see
"Checking procedures"[4102].
1 Locate the HAP LED on the indoor unit main PCB.
a
a HAP LED
INFORMATION
Make sure the correct software is available on the PCB. If NOT, update using the
updater tool.
Does the HAP LED blink in regular
intervals (1second ON/1second OFF)?
Action
Yes Return to "Checking
procedures"[4102] of the indoor unit
main PCB and continue with the next
procedure.
No Replace the indoor unit main PCB, see
"Repair procedures"[4106].