2 ComponentsService manual26(C)(F)TXA15~50A2V1B(W)(S)(T) + RXA42+50A2V1B +RXA20~35A2V1BSplit Stylish R32ESIE18-03 – 2018.09baca Expansion valve motorb Pipe retention clipc Pipe2 Route the expansion valve motor harness towards the mainPCB.3 Connect the expansion valve motor connector to the main PCB.WARNINGWhen reconnecting a connector to the PCB, do NOT applyforce, as this may damage the connector or connector pinsof the PCB.4 Fix the expansion valve motor harness using new tie straps.Is the problem solved? ActionYes No further actions required.No Return to "2.3.1 Checkingprocedures" on page 23 of theexpansion valve and continuewith the next procedure.To install the expansion valve motor with bracket1 Install the expansion valve motor on the expansion valve body.INFORMATIONThe expansion valve motor is equipped with a metalbracket. Fit the nipples of the metal bracket into thenotches of the expansion valve body.bc c d eaa Expansion valve motorb Metal bracketc Nippled Notche Expanion valve body2 Route the expansion valve motor harness towards the mainPCB.3 Connect the expansion valve motor connector to the main PCB.WARNINGWhen reconnecting a connector to the PCB, do NOT applyforce, as this may damage the connector or connector pinsof the PCB.4 Fix the expansion valve motor harness using new tie straps.Is the problem solved? ActionYes No further actions required.No Return to "2.3.1 Checkingprocedures" on page 23 of theexpansion valve and continuewith the next procedure.2.4 Front panel motor2.4.1 Checking proceduresTo perform an electrical check of the front panelmotorPrerequisite: Turn OFF the unit via the user interface.Prerequisite: Turn OFF the respective circuit breaker.Prerequisite: Remove the required plate work, see "2.13 Platework" on page 40.1 Disconnect the motor connector from the indoor unit PCB.2 Measure the resistance between the following pins of the motorconnector. The measurements MUST be as shown in the tablebelow.Pins Measured resistance (Ω)1-2 2351-31-41-52-3 4702-42-53-43-54-5Front panel motor resistancemeasurements are correct?ActionYes Return to the troubleshooting ofthe specific error and continuewith the next procedure.No Replace the front panel motor,see "2.4.2 Repair procedures" onpage 26.2.4.2 Repair proceduresTo remove the front panel motorPrerequisite: Turn OFF the unit via the user interface.Prerequisite: Turn OFF the respective circuit breaker.Prerequisite: Remove the required plate work, see "2.13 Platework" on page 40.1 Remove the 2 screws and remove the front panel motor fromthe indoor unit.