2 | Components
Service manual
61
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
a Expansion valve motor
b Metal bracket
c Nipple
d Notch
e Expanion valve body
2 Route the expansion valve motor harness towards the appropriate PCB.
3 Connect the expansion valve motor connector to the appropriate PCB.
WARNING
When reconnecting a connector to the PCB, do NOT apply force, as this may damage
the connector or connector pins of the PCB.
4 Fix the expansion valve motor harness using new tie straps.
5 Install the insulation cap on the expansion valve motor (if applicable).
Is the problem solved? Action
Yes No further actions required.
No Return to "2.3.1Checking
procedures"[454] of the expansion
valve and continue with the next
procedure.
2.4 Front panel motor
2.4.1 Checking procedures
To perform an electrical check of the front panel motor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "2.13Plate work"[499].
1 Disconnect the motor connector from the indoor unit PCB.
2 Measure the resistance between the following pins of the motor connector.
The measurements MUST be as shown in the table below.
Pins Measured resistance (Ω)
1-2 235
1-3
1-4
1-5