Refrigerant Circuit; Checking Procedures - Daikin FTXA20A Service Manual

3 | Third party components

3.2 Refrigerant circuit

3.2.1 Checking procedures

To check if the stop valves are open
Service manual
158
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?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Remove the required plate work, see
1 Remove the caps.
a Liquid stop valve
b Gas stop valve
2 Check if the stop valves are completely open.
The refrigerant circuit stop valves are
open?
Yes
No
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"2.14 Plate
a
b
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Open the stop valves of the refrigerant
circuit, see "3.2.2 Repair
4
procedures" [ 162].
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