Partner Academy · Deye
Fault
F7
DC/DC Softstart Fault
DC/DC soft-start failure
Deye service: DC/DC Softstart Fault — storage DC path / fuses (map can show F7).
Field checks
- Check the energy-storage DC connection path and input fuses.
- Restart the system after clearing the DC path.
FAQ
What does Deye F7 mean?
DC/DC soft-start failure
What should I check for Deye F7?
- Check the energy-storage DC connection path and input fuses.
- Restart the system after clearing the DC path.
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.