LG LS-135GB Service Manual page 52

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7. When Inlet Grille does not operate.

• Confirm that the Inlet Grille is normally geared with the shaft of Stepping

Motor.

• If the regular torque is detected when moving the Inlet Grille with hands

• Check the connecting condition of CN-SUC Connector

• Check the soldering condition(on PWB) of CN-SUC Connector

• Confirm that there is DC + 12V between pin (RED) of CN-U/D and

GND.

• Confirm that there is a soldering short at following terminals.

- Between

• Confirm the assembly conditions that are catching and interfering parts

in the rotation radial of the Inlet Grille

Normal

Check the operating circuit of the Inlet Grille

and

If there are no problems after above checks

of MICOM

of IC01G

-52-

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