Partner Academy · Deye
Fault
F26
DC Busbar Unbalanced Fault
DC busbar voltage unbalance
Deye service: DC Busbar Unbalanced — same hardware path as F25.
Field checks
- Hardware fault in DC measurement circuits or bus capacitors — service repair.
FAQ
What does Deye F26 mean?
DC busbar voltage unbalance
What should I check for Deye F26?
- 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.