Mitsubishi Electronics PCA-A24GA service manual Operating Procedure, Removing the fan motor MF

Page 27

OPERATING PROCEDURE	PHOTOS & ILLUSTRATIONS
3. Removing the fan motor <MF>	Photo 2

(1)Remove the intake grille.

(2)Disconnect the fan motor connector.

(3)	Remove the screw for removing the motor support at both	Screws	Motor	set screws
(3)	Remove the screw for removing the motor support at both
	left and right side.
(4)	Loosen the set screws at the fan motor side of the con-
	necting joint.
(5)	Slide the fan motor <MF> to the left side and pull it out.

Motor support

connecting joint

	4. Removing the sirocco fan	Photo 3
	(1) Remove the air intake grille.	Photo 3
	(1) Remove the air intake grille.

(2)Remove 1 beam.

(3)Remove the lower casing while pressing the stoppers at

upper side of the casing.	Motor	Catch	Casing
		Set screw

(4)Loosen the set screws at the connecting joint.

(5)Remove the sirocco fan and shaft together by sliding the shaft to the left.

(Note)

Make sure that the upper side casing is snapped to the fan plate securely with catch.

Connecting joint

Shaft

BearingScrews

Sirocco fan

	5. Removing the side panel		Figure 3
	(1)	Remove the air intake grille.	side panel
	(2)	Remove the screw from the side panel, and remove the	side panel
	(2)	Remove the screw from the side panel, and remove the
		side panel by sliding the panel to the front.

sliding the panel to the front

screw

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Contents PCA-A30GA ContentsRevised EDITION-B PCA-A24GATechnical Data Book Technical ChangesReference Manual Always Observe for Safety Safety PrecautionAdditional refrigerant charge When charging directly from cylinderIndoor Unit Part Names and FunctionsDisplay Section Timer display Operation Mode displayMode Select button Temperature setting displayPCA-A36GA, PCA-A36GA1Single phase, 60Hz, 208/230V SpecificationsService Ref PCA-A30GA, PCA-A30GA1Single phase, 60Hz, 208/230VPCA-A36GA1 Noise Criterion CurvesPCA-A24GA1 PCA-A30GA1PCA-A24GA PCA-A24GA1 PCA-A30GA PCA-A30GA1 Outlines and DimensionsUnit inchmm PCA-A36GA PCA-A42GA PCA-A36GA1 PCA-A42GA1Indoor unit Installation Manual Wiring DiagramHeat exchanger Refrigerant System DiagramTroubleshooting TroubleshootingSELF-DIAGNOSIS Action Table Pipe temperature Cause Countermeasure Freezing/overheating protection isWorking ErrorE3/signal receiving errorE5 Cause Countermeasure Pipe temperature thermistorRemote controller transmission ErrorE0/signal receiving errorE4Indoor controller board Error Signal receiving errorError Transmitting error Remote controller control boardPly system Troubleshooting by Inferior PhenomenaPhenomena Cause Countermeasure Is offPerformance failure 4Receiver for wireless remoteIs blinking 3Upward/downward vanePage Vane motor MV Test Point Diagram Between 1 to 3 12.6-13.7V DC Pin1 +Connect to the indoor controller board CN2D PCA-A36GA PCA-A36GA1 Models Functions of DIP Switch and Jumper WireRemoving the electrical box Disassembly ProcedureOperating Procedure Photos & Illustrations Removing the air intake grilleRemove the air intake grille Operating ProcedureRemoving the fan motor MF Removing the sirocco fanRemoving the Under panel Operating Procedure PhotosRemoving the vane motor MV Removing the Indoor coil thermistor TH2/TH5Removing the Auto vane Removing the drain panRemoving the guide vane Remove the intake grille. See the figureRemoving the heat exchanger R01 35J 130 Parts No Parts Name SpecificationsDrawing No R01 29J 130Structural Part PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Electrical Parts PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Parts No Parts Name SpecificationsRoHS RemarksStructural Part PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1 Wiring Recom Electrical Parts PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1RoHS Qty/ set