Daikin FTXA20AW - Refrigerant Circuit; Checking Procedures

3 | Third party components
Service manual
158
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
INFORMATION
If applicable, also check the electrical components between the main power supply
terminal and the indoor unit power supply terminal (e.g. intermediate terminal, noise
filter, fuse, …).
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.2 Refrigerant circuit
3.2.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To check if the stop valves are open
Prerequisite: Remove the required plate work, see "2.14Plate work"[4120].
1 Remove the caps.
a
b
a Liquid stop valve
b Gas stop valve
2 Check if the stop valves are completely open.
The refrigerant circuit stop valves are
open?
Action
Yes Return to the troubleshooting of the
specific error and continue with the
next procedure.
No Open the stop valves of the refrigerant
circuit, see "3.2.2Repair
procedures"[4162].