Lifetime technical support
Start with the issue you are seeing, follow a clear written checklist, or send our Phoenix team photos for hands-on support.
Start here
Choose the path that best matches your situation. Each option takes you straight to the right next step.

Fastest support path
The support app works best from your phone so you can attach clear photos while standing near the equipment.
Written troubleshooting
The full instructions stay on this page—no videos, popups, or outside links.
Turn off and lock out power before touching wiring. Installation and live-voltage testing must be completed by a qualified electrician.
230V reference only. The motor nameplate diagram is authoritative. Stop if it differs.
230V reference only. The motor nameplate diagram is authoritative. Stop if it differs.

Before you contact support
Use bright, in-focus photos and keep each label readable.
Reference library
NL, PL, transformer package, DualZone, and installation documents.
Browse manuals → Converter sizingFind the correct model for your machine, starting load, and service.
Get sizing help → Troubleshooting libraryMore detail on breakers, voltage balance, startup behavior, and load isolation.
View troubleshooting →Call the shop or send your photos through the support app.
Talk to a Phase Converter Engineer
📞 800-417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST