Partner Academy · Deye
Fault
F47
AC OverFreq Fault
AC grid over-frequency fault
Deye service: AC OverFreq Fault — grid / generator frequency (50 Hz).
Field checks
- Measure grid frequency, or set generator shaft speed for 50 Hz if on genset.
FAQ
What does Deye F47 mean?
AC grid over-frequency fault
What should I check for Deye F47?
- Measure grid frequency, or set generator shaft speed for 50 Hz if on genset.
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.