Partner Academy · Deye
Fault
F5
EEPROM Read Failure
EEPROM memory read failure
Deye service: EEPROM Read Failure — factory reset or control board.
Field checks
- Reset settings to factory defaults from the HMI menu.
- If the fault remains, the control board may need replacement.
FAQ
What does Deye F5 mean?
EEPROM memory read failure
What should I check for Deye F5?
- Reset settings to factory defaults from the HMI menu.
- If the fault remains, the control board may need replacement.
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.