Repair
Repair Price: $ 2,448.00
Purchase
CSL Part Number: 86617
Product Overview: The PowerFlex 755 is an Allen-Bradley AC variable frequency drive rated for 480V three-phase input and 20HP motor control. It features integrated Ethernet communications, a local keypad interface, and diagnostic LED indicators for status monitoring. Commonly used in industrial automation applications including paper processing equipment, it provides precise motor speed and torque control through IGBT-based power conversion and programmable configuration parameters.
Category: AC Motor Controls
Manufacturer: Allen Bradley
Manufacturer Synonyms: Rockwell Automation, allan bradly
Manufacturer Part Number: 20G11 N D 027 AA0NNNNN
Series: PowerFlex 750 AC Drive
Common Failures
This product has been observed with power-on issues where the STS indicator flashes yellow, indicating a non-configurable alarm condition that may prevent the drive from starting. Communication issues have also been reported, where the device is not recognized by PCs and does not display an IP address.
Repair Approach
We have successfully addressed broken wiring connected to the keypad in some units, restoring functionality. In other cases, the unit could not be repaired. One example involved suspected NVram issues within the gating circuit, where the root cause could not be confirmed and the unit was determined to be Beyond Economic Repair.
Testing & Quality
When repair is successful, the device is tested to verify proper functioning of the keypad and communication systems. In cases where repair is not possible, the unit is returned or disposed of following diagnostic evaluation and customer approval.
Service and repair your broken Allen Bradley part
We can repair your Allen Bradley model 20G11 N D 027 AA0NNNNN in our facility. Let our skilled technicians get your Allen Bradley back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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