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扇風機 COOK FCRU SeriesのPDF インストレーション、オペレーション、メンテナンスマニュアルをオンラインで閲覧またはダウンロードできます。COOK FCRU Series 9 ページ。 Fiberglass roof exhausters

Troubleshooting

Problem and Potential Cause

Low Capacity or Pressure:

• Incorrect direction of rotation. Make sure the fan rotates

in same direction as the arrows on the motor or belt drive

assembly.

• Poor fan inlet conditions. There should be a straight clear

duct at the inlet.

• Improper wheel alignment.

Excessive Vibration and Noise:

• Damaged or unbalanced wheel.

• Belts too loose; worn or oily belts.

• Speed too high.

• Incorrect direction of rotation. Make sure the fan rotates

in same direction as the arrows on the motor or belt drive

assembly.

• Bearings need lubrication or replacement.

• Fan surge.

Overheated Motor:

• Motor improperly wired.

• Incorrect direction of rotation. Make sure the fan rotates

in same direction as the arrows on the motor or belt drive

assembly.

• Cooling air diverted or blocked.

• Improper inlet clearance.

• Incorrect fan RPMs.

• Incorrect voltage.

Overheated Bearings:

• Improper bearing lubrication

• Excessive belt tension.

FCE/FCRU IO&M

B51150-003