What does error W13 mean on a DEYE inverter?

W13 means: Fan warning. One or more fan cables are not properly connected, or a fan is broken.

Is error W13 a fault or a warning?

W13 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.

How do I clear or fix error W13?

Check whether all fan cables are properly connected, or replace the faulty fan. The exact steps for each affected model are listed on this page.

W13

DEYE inverter error W13

Fan warning

Warning — the red LED flashes and the inverter keeps running. Deal with it before it escalates.

It means the same on every affected model — find yours for the exact fix:

SUN G01P3-EU-BM8 Series

InverterWarning

Also applies to:SUN-120K-G01P3-EU-BM8SUN-125K-G01P3-EU-BM8SUN-130K-G01P3-EU-BM8SUN-135K-G01P3-EU-BM8SUN-136K-G01P3-EU-BM8SUN-60K-G03SUN-70K-G03SUN-75K-G03+12

What it means

Fan warning — A cooling fan is not working.

Cause: One or more fan cables are not properly connected, or a fan is broken.

How to fix it

Check whether all fan cables are properly connected, or replace the faulty fan.

Source: 041_BManual_SUN-120_125_130_135_136K-G01P3-EU-BM8_20251021_en_a2166559.pdf, p.60 · 033_BManual_SUN-70_75_80_90_100_110K-G03_20260702_en_a9db1e1b.pdf, p.59 · 042_BManual_SUN-120_125_130_135_136K-G01P3-EU-AM8_20260702_en_05f936e3.pdf, p.59 · +2 more official manuals

SUN G04/G05/G06 3-Phase

InverterWarning

Also applies to:SUN-6K-G06-LV-P1SUN-8K-G06-LV-P1SUN-6K-G06P3-EU-BM2-LV-P1SUN-8K-G06P3-EU-BM2-LV-P1SUN-10K-G05-LVSUN-12K-G05-LVSUN-15K-G05-LVSUN-15K-G06P3-EU-BM2-P1+27

What it means

Fan warning — Cooling fan warning.

Cause: Usually one or more fan cables are not properly connected, or a fan is broken.

How to fix it

Check whether all fan cables are properly connected, or replace the faulty fan.

Source: 063_BManual_SUN-6K-G06-LV-P1_20250923_en_30a96699.pdf, p.56

Frequently asked questions

What does error W13 mean on a DEYE inverter?: W13 means: Fan warning. One or more fan cables are not properly connected, or a fan is broken.
Is error W13 a fault or a warning?: W13 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error W13?: Check whether all fan cables are properly connected, or replace the faulty fan. The exact steps for each affected model are listed on this page.

Related error codes

Other codes on the SUN G01P3-EU-BM8 Series

All SUN G01P3-EU-BM8 Series codes All SUN G03/G01P3-AM8 Series codes

Other codes on the SUN G04/G05/G06 3-Phase

All SUN G04/G05/G06 3-Phase codes

Prefer the full written guide? Read the complete DEYE inverter error-code guide

Compiled from official DEYE user manuals. Always consult your device manual and a qualified technician before performing repairs.