Panasonic CU-2S18NBU-1 Removing the Control P.C. Board, Removing the Propeller Fan and Fan Motor

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15.1.3Removing the Control P.C. Board

6.Remove the drip proof cover.

7.Disconnect the connectors (lead wires of the compressor, sensor, and others).

8.Remove the screw at the right side of the control box, and pull out the entire control box.

9.Release the control P.C. Board tab to remove the control P.C. Board.

15.1.4Removing the Propeller Fan and Fan Motor

1.Follow the steps in 15.1.1 for removing the cabinet top plate and cabinet front plate.

2.Remove the propeller fan by removing the nut turning clockwise at its center.

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Contents Table of Contents Disassembly and Assembly Instructions Items to be followed are classified by the symbols Safety PrecautionsPage Model Outdoor Unit CU-2S18NBU-1 SpecificationMulti split combination possibility Dimensions Refrigeration Cycle Diagram Block Diagram Wiring Connection Diagram Electronic Circuit Diagram Main Printed Circuit Board Printed Circuit BoardNoise Filter Printed Circuit Board Check Points Installation InformationOutdoor Unit Installation Diagram Installation InstructionOutdoor Unit Installation Guidelines Gas Leak Checking Connecting the Piping to Outdoor UnitEvacuation of the Equipment Heat Insulation Operation Control Powerful OperationCooling Operation Outdoor fan controlElectronic Parts Temperature Rise Protection 2 Cool Electronic Parts Temperature Rise Protection 1 CoolProtection Control Freeze Prevention control CoolIPM power transistor Protection Control Time Delay Safety Control Restart ControlCooling overload control Cool 12.7 30 seconds Force OperationCompressor discharge high pressure protection control Compressor Protection Control Gas leak detection controlValve close detection control Wiring Error Check Servicing ModePump Down Operation Test OperationMode priority function Power Save ModeSelf Diagnosis Function Troubleshooting GuideIndoor high Check indoor heat Exchanger Outdoor Unit Removal Procedure Disassembly and Assembly InstructionsRemoving the Cabinet Top Plate and Cabinet Front Plate Remove the Control Board Cover and Particular PlatesRemoving the Propeller Fan and Fan Motor Removing the Control P.C. BoardPage CS-S9NKUW-1 CU-2S18NBU-1 Technical DataOperation Characteristics Page CS-S9NKUW-1x2 CU-2S18NBU-1 Page CS-S12NKUW-1 CU-2S18NBU-1 Page CS-S12NKUW-1x2 CU-2S18NBU-1 Page CS-S12NKUW-1+CS-S9NKUW-1 CU-2S18NBU-1 Page Exploded View and Replacement Parts List REF. no Description & Name QTY Shock Absorber Left