Compressor; Checking Procedures - Daikin FTXA20A Service Manual

2 | Components

2.2 Compressor

2.2.1 Checking procedures

To perform an auditive check of the compressor
Service manual
46
c
a Screw
b 4‑way valve coil
c 4‑way valve body
2 Install and tighten the screw to fix the 4‑way valve coil.
3 Route the 4‑way valve coil harness towards the appropriate PCB.
4 Connect the 4-way valve connector to the appropriate PCB.
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
5 Fix the 4‑way valve coil harness using new tie straps.
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Open the compressor insulation.
2 Turn ON the power using the respective circuit breaker.
3 Start the unit operation via the user interface.
4 Wait for - or create condition to operate the compressor.
5 Listen to the compressor when it tries to operate. Judge if a mechanical lock is
present.
a b
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"2.14 Plate
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
4
work" [ 120].
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05