Daikin Stylish Series - Page 73

2 | Components
Service manual
73
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
Does the HAP LED blink in regular
intervals (1second ON/1second OFF)?
Action
No Replace the indoor unit PCB, see
"2.8.2Repair procedures"[474].
To check if the correct spare part is installed
Prerequisite: First perform all earlier checks of the indoor unit PCB, see
"2.8.1Checking procedures"[471].
1 Visit your local spare parts webbank.
2 Enter the model name of your unit and check if the installed spare part
number corresponds with the spare part number indicated in the webbank.
Is the correct spare part for the indoor
unit PCB installed?
Action
Yes Return to "2.8.1Checking
procedures"[471] of the indoor unit
PCB and continue with the next
procedure.
No Replace the indoor unit PCB, see
"2.8.2Repair procedures"[474].
To check the wiring of the indoor unit PCB
Prerequisite: First perform all earlier checks of the indoor unit PCB, see
"2.8.1Checking procedures"[471].
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Check that all wires are properly connected and that all connectors are fully
plugged‑in.
2 Check that no connectors or wires are damaged.
3 Check that the wiring corresponds with the wiring diagram, see "5.2 Wiring
diagram"[4145].
INFORMATION
Correct the wiring as needed.
Is the problem solved? Action
Yes No further actions required.
No Return to "2.8.1Checking
procedures"[471] of the indoor unit
PCB and continue with the next
procedure.
To check the fuse of the indoor unit PCB
Prerequisite: First perform all earlier checks of the indoor unit PCB, see
"2.8.1Checking procedures"[471].
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.