FAQ: CPF09 -- Fault Code Description
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Digital Operator Display Text: CPF09 CPU-Er
Description:CPU-ASIC Mutual Diagnosis Fault (COY)
Causes:Noise or spike on the control circuit input terminals - - - Control circuit damage
Corrective Actions:Cycle power off and on to the Drive - - - Replace the Drives control board.
For information on resetting a fault, see FAQ# DRV-5P8PGJ.
For more information and a complete list of fault codes see the following manuals TM.E7.01, TM.F7.01 and TM.P7.01.
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Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.
Phone
If you have an urgent request, please call: 1-800-YASKAWA (927-5292) or 1-847-887-7000.Electronically
To contact us electronically, please select your type of request and complete the form.Yaskawa America, Inc. - Drives & Motion Division
2121 Norman Drive South
Waukegan, IL 60085