Variable Frequency Drives Maintenance and Repair

When a VFD goes down your production will be affected. How do you resolve this inconvenience in an efficient and quickly?

There are some things you can check in to see if you can get your VFD going back online. When your VFD stops remember to check:

  • The Controller Display. If  your VFD has a controller display you should check if it has additional information.
  • Check Connection. Check if you have any loose connections, this is one of the most common causes of faulty VFD operations.
  • Check the Current Temperature. Use a IR-Thermometer to verify the temperature levels of the VFD.

Common VFD Fault


- High Bus Fault

  • Input Voltage Level Too High
  • Instantaneous voltage spike

- Overcurrent

  • Loose power connections or control wiring
  • Possible misalignments

- Overtemp

  • Change in ambient temperature
  • Fan blade damage or fan loss

- No Power on Drive

  • Trouble with input ac power
  • Trouble with input control power

After you check all the basics and the VFD is still not working you will need to get professional assistance as soon as possible. You can contact PT Electronics Inc., to repair your VFD in a promptly manner.  PT Electronics in Lincolnwood will assist you

Benefits of using PT Electronics Inc, Services


- We offer Free and Complete Evaluation

- 24 Hours Repair Services

- On-Site Repair

- We provide 1 Year Warranty in all of our repairs

- We repair most brand, saving you up to 75% of the cost to purchase new equipment

- We offer installation to new touch screen modules

Request A Quote!

Fill the form below and we will contact you shortly.

On-Site Repair Service

If you are in the Midwest and are in need of experienced repair services, give us a call.

We provide on-site repair for most equipment.

Our technicians will troubleshoot your equipment, determine the cause of failure, advise the customer repair solutions, and provide a repair quote.

Let PT Electronics Inc. provide maintenance and repair your VFD. We provide on site VFD repair in the midwest area. We also offer Free evaluation when you send your equipment. Get your free quote or call us at 847-329-9000 .

Back to Top

On-Site Repair Service

If you are in the Midwest and are in need of experienced repair services give us a call.

We provide on-site repair for most equipment.

Our technicians will troubleshoot your equipment and determine cause of failure, advise the customer repair solutions, and provide a repair quote.

Request A Quote!

Fill the form below and we will contact you shortly.