Friedrich C24YJ Bedienungsanleitung PDF herunterladen (Seite 48)

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Only for training and service purposes

• Confirm that the vertical louver is normally geared with the shaft of Stepping Motor.

• If the regular torque is detected when rotating the vertical louver with hands ⇒ Normal

• Check the connecting condition of CN-U/D or CN0L/R Connector

• Check the soldering condition(on PCB) of CN-U/D or CN0L/R Connector

Check the operating circuit of the vertical louver

• Confirm that there is DC +12V between pin ¿ of CN-U/D, CN0L/R and GND.

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

- Between 1 , 2 , 3 and 4 of MICOM - Between

and

of MICOM

- Between 4 , 5 , 6 and 7 of IC01M - Between 5 , 6 , 7 and 8 of IC01M

6.5 When the louver does not operate.

If there are no problems after above checks.

•

Chec

k that no objects are catching and interfering parts in the link of the vertical louver

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Friedrich C24YJ Bedienungsanleitung Seite 48