Daikin Stylish Series - Page 72

2 | Components
Service manual
72
(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
To perform an electrical check of the indoor unit PCB
Prerequisite: First perform a power check of the indoor unit PCB, see
"2.8.1Checking procedures"[471].
1 Measure the voltage between the pins 1‑4 of the connector S102. The
measured voltage MUST be 320VDC.
a
a Connector S102
Is the measured voltage on the indoor
unit PCB correct?
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 HAP LED of the indoor unit PCB
Prerequisite: First perform a power check of the indoor unit PCB, see
"2.8.1Checking procedures"[471].
1 Locate the HAP LED on the indoor unit PCB.
a
a HAP LED
Does the HAP LED blink in regular
intervals (1second ON/1second OFF)?
Action
Yes Return to "2.8.1Checking
procedures"[471] of the indoor unit
PCB and continue with the next
procedure.