LG LS-135GB Service Manual page 50

Table of Contents

5. When up/down Vertical Louver does not operate.

• Confirm that the up/down Vertical Louver is normally geared with the

shaft of Stepping Motor.

• If the regular torque is detected when rotating the up/down Vertical

Louver with hands

• Check the connecting condition of CN-U/D Connector

• Check the soldering condition(on PWB) of CN-U/D Connector

• Confirm that there is DC + 12V between pin (Gray) 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 up/down Vertical Louver

Normal

Check the up/down operating circuit of the Vertical Louver

and

of MICOM

and

of IC01M

and

of IC01M

If there are no problems after above checks

-50-

Table of Contents

Show Quick Links

Table of Contents

Troubleshooting

Ls-135gr Ls-1351gb Ls-1351gm Ls-1351gr Ls-1352gb Ls-1352gc ... Show all