Repair Procedures; Main Pcb; Checking Procedures - Daikin Stylish Series Service Manual

9 Turn off the respective circuit breaker.
10 Wait a few minutes and confirm that the LED's of the Inverter
Analyzer are off.
11 Disconnect the Inverter Analyzer from the Faston connectors.
12 Connect the Faston connectors to the wire terminals U, V and
W of the compressor.
INFORMATION
Use the notes made during disconnection to connect the
Faston connectors to the correct wire terminals of the
compressor.
All LED's of the inverter Action
analyzer are lit during inverter
test?
Yes Return to Checking procedures
of the inverter PCB and continue
with the next procedure.
No Replace the inverter PCB, see

Repair procedures.

2.10.2 Repair procedures
As the inverter PCB is integrated in the main PCB of the unit, see
"2.11 Main PCB" on page 35 for the repair procedures.
2.11

Main PCB

2.11.1

Checking procedures

INFORMATION
It is recommended to perform the checks in the listed
order.
To perform a power check of the main PCB
1 Measure the voltage between the black and white wires shown
below.
Class 20~35
a Black wire
b White wire
(C)(F)TXA15~50A2V1B(W)(S)(T) + RXA42+50A2V1B +
RXA20~35A2V1B
Split Stylish R32
ESIE18-03 – 2018.09
Class 42~50
b
Is the measured voltage on the
PCB correct?
Yes
No
To check the HAP LED of the main PCB
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
work" on page 40.
1 Turn ON the power of the unit.
2 Locate the HAP LED on the main PCB.
Class 20~35
b a
2 Components
a
a Black wire
b White wire
Action
Return to "2.11.1 Checking
procedures" on page 35
PCB and continue with the next
procedure.
Adjust the power of the main
PCB, see "2.11.2 Repair
procedures" on
a
a HAP LED
of the
page 36.
"2.13 Plate
Service manual
35