Partner Academy · Deye
Fault
F25
DC Feedback Fault
DC circuit feedback loop error
Deye service: DC Feedback Fault — measurement / bus caps — service.
Field checks
- Hardware fault in DC measurement circuits or bus capacitors — service repair.
FAQ
What does Deye F25 mean?
DC circuit feedback loop error
What should I check for Deye F25?
- Hardware fault in DC measurement circuits or bus capacitors — service repair.
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.