Skip to content

Partner Academy · Deye

Warning W3

Grid Phase Wrong

Incorrect grid phase sequence

Deye service: Grid Phase Wrong — reverse two AC phases on GRID.

Field checks

  1. Swap any two AC phases (L1↔L2 or L2↔L3) on the GRID terminal block.
  2. Re-check phase rotation before enabling export.

FAQ

What does Deye W3 mean?
Incorrect grid phase sequence
What should I check for Deye W3?
  1. Swap any two AC phases (L1↔L2 or L2↔L3) on the GRID terminal block.
  2. Re-check phase rotation before enabling export.
When should I contact Inversol?
After noting the exact code, model, SN, and operating mode, complete the field checks. If the code returns after a clean power cycle, contact Inversol WhatsApp support with a photo of the display.

Partner lookup — not a substitute for the official Deye service manual or live measurements. Firmware maps can differ by model family.

All Deye codes All brands INVERSOL FLEX briefing WhatsApp support