Daikin FTXA20A, Service Manual

Page: 88 / 192

2 | Components
Service manual
88
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
Is the problem solved? Action
No Return to "2.8.1 Checking
procedures" [
4
75] of the indoor unit
power PCB and continue with the next
procedure.
2.10 Intelligent thermal sensor
2.10.1 Checking procedures
1 As there is no specific check procedure for this component, first perform a
check of the indoor unit PCB to check if the intelligent thermal sensor needs
to be replaced. See
"2.8.1 Checking procedures" [
4
75].
After complete check of the indoor unit
PCB, is the problem solved? Action
Yes No further actions required.
No Replace the intelligent thermal sensor,
see
"2.10.2 Repair procedures" [
4
88].
2.10.2 Repair procedures
To remove the intelligent thermal sensor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "2.14 Plate work" [ 4 120].
1 Disconnect the intelligent thermal sensor connector from the indoor unit PCB.
2 Carefully click the complete intelligent thermal sensor assembly out of the
indoor unit.
a
a Intelligent thermal sensor assembly
3 To install the intelligent thermal sensor assembly, see "2.10.2 Repair
procedures" [
4
88].
To install the intelligent thermal sensor
1 Click the intelligent thermal sensor assembly on the indoor unit.