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Growatt · PV inverters · Growatt MIN TL-XE / TL-X (single-phase grid inverter, 2.5–6 kW)

Error: 303PE abnormal

Name in the manufacturer's documentation (user manual): PE abnormal[1]

In plain words (editorial)

PE abnormal – the voltage between neutral and PE is above 30 V. The manual says to check the neutral–PE voltage and the AC wiring, then restart the inverter.

When to call a service technician: Have an electrician check the AC wiring; if the message still exists, contact the manufacturer.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 23 official manufacturer document quote verified PE abnormal Error: 303
  2. [2] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 23 official manufacturer document quote verified Voltage of Neutral and PE above 30V.
  3. [3] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 23 official manufacturer document quote verified Check the voltage of Neutral and PE.
  4. [4] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 23 official manufacturer document quote verified Check AC wiring.
  5. [5] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 23 official manufacturer document quote verified Restart inverter, if error message still exisits,contact Manufacturer