
Commonly Asked Questions
Performance and customer satisfaction is our priority.
Learn answers to commonly asked questions to keep you powered up.
How do I contact Technical Support?
Contact Dynapower at (802) 860-7200 to speak with a Technical Support Specialist, or email service@dynapower.com.
Our service department supports electrical power systems, control and instrumentation systems, power generation and distribution, and equipment repair. Dynapower offers 24/7 technical support for OEM or all brands of rectifiers.
What information do I need prior to calling for technical support?
Please have your serial number, job number, rectifier rating, and contact information handy. If you need to leave a message, please include as much of this information as possible so we can serve you more quickly.
How do I find my rectifier or transformer’s serial number?
Serial numbers are located on the rectifier’s nameplate. You may also locate the serial number in the title block of the system schematics or on the front page of your user manual. The serial number for a rectifier transformer can be found on a metal plate affixed to the top of the transformer. Stand alone transformers will have the serial number on the nameplate and on a metal plate affixed to the top of the transformer.
How do I find my sales order number?
Sales order numbers are located on the rectifier’s nameplate. You may also locate the sales order number in the title block of the system schematics or the front page of your user manual.
I need to order a user manual and schematics for my rectifier. How do I order these?
Please call us at (802) 860-7200 or email service@dynapower.com to order manuals or schematics.
I’m looking for Dynapower/Rapid Power electronics manuals. How do I find them?
Contact service@dynapower.com for electronics manuals. You may be charged a nominal documentation fee.
How do I calibrate my rectifier?
The calibration procedure is dependent on the particular electronics installed in the rectifier. Contact service@dynapower.com for an electronics manual specific to your unit. These documents include information on adjustments and potentiometers to be adjusted at the board level.

Power ahead with us
Interested in knowing more about services and support at Dynapower? Call us at 1 (802) 860-7200 or click the link below to reach out to us. We look forward to hearing from you.