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Error 417Growatt · MIN 2500-6000TL-X

Error 417 on a Growatt MIN 2500-6000TL-X: The data sampled by the DSP and redundant M3 is not the same

Short answer

On a Growatt inverter, Error 417 means: The data sampled by the DSP and redundant M3 is not the same. The inverter stops until the fault clears or is reset. An engineer is needed to fix the cause.

Reviewed 24 September 2026 · 1 source

What it means

The manual says: The data sampled by the DSP and redundant M3 is not the same.

Part involved: Inverter internal hardware / firmware.

Likely causes:

  • Sampling mismatch.

Is it safe?

Does the inverter stop?Yes
SeverityFault — needs a manual reset once the cause is fixed
Engineer needed?Yes

The inverter stops until the fault clears or is reset.

Resetting itself: sometimes clears after a restart; recurring = hardware fault.

Manual reset: restart; otherwise replacement.

What you can check

  • Read and note the exact code and time from the inverter display or app (screenshot).
  • Check the solar/battery AC isolator and the consumer-unit breaker/RCD are ON (do not reset a breaker that trips again immediately).
  • Growatt's manual says 'restart inverter'. A homeowner can switch the inverter off and on at its AC isolator/breaker; leave DC switching to the installer unless the manual step says to switch DC off immediately (Error 202).

What the engineer will check

  • Restart per manual.
  • Update firmware.
  • Contact manufacturer support with serial number; RMA if repeated.

Who to ask for: PV installer with manufacturer support access.

Certification: Electrician competent in grid-connected PV (BS 7671 Section 712; IET Code of Practice for Grid-connected Solar PV), ideally the original MCS-certified PV installer; brand-approved/trained installer to keep manufacturer warranty.

What you might notice

Sources

A code explains what the controller detected, not a confirmed root cause.

Reviewed: 24 September 2026