Partner Academy · Deye
Fault
F51
Phase DC Component OC
Phase 3 DC component overcurrent
Deye service: Phase DC Component OC (phase 3) — same hardware path as F49.
Field checks
- Hardware fault in sine-wave formation — contact technical support.
FAQ
What does Deye F51 mean?
Phase 3 DC component overcurrent
What should I check for Deye F51?
- Hardware fault in sine-wave formation — contact technical support.
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.