35Fault

DEYE inverter error 35 (F035)

No AC grid

Also displayed as F035 / F35 on some models.

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

The exact meaning depends on your model:

SUN G01P3-EU-BM8 Series

InverterFault

Also applies to:SUN-120K-G01P3-EU-BM8SUN-125K-G01P3-EU-BM8SUN-130K-G01P3-EU-BM8SUN-135K-G01P3-EU-BM8SUN-136K-G01P3-EU-BM8SUN-7K-G02P1-EU-AM2SUN-7.5K-G02P1-EU-AM2SUN-8K-G02P1-EU-AM2+3

What it means

No AC grid — No grid voltage is detected.

Cause: No AC grid voltage is present at the inverter: a grid outage, a bad AC connector or cable, or a fault in the AC voltage detection circuit.

How to fix it

  1. Check the AC grid voltage and the AC voltage detection circuit; check that the AC connector is in good condition and that the AC grid is normal in voltage
  2. Restart the inverter; if the fault still exists, contact your installer or Deye service.

Source: sun-120k-g01p3-eu-bm8-sun-125k-g01p3-eu-bm8-sun-130k-g01p3-eu-bm8-manual.pdf, p.62 · sun-7k-g02p1-eu-am2-sun-7-5k-g02p1-eu-am2-sun-8k-g02p1-eu-am2-manual.pdf, p.52 · sun-9k-g02p1-eu-am2-sun-10k-g02p1-eu-am2-sun-10-5k-g02p1-eu-am2-manual.pdf, p.52

SUN G03/G01P3-AM8 Series

InverterFault

Also applies to:SUN-60K-G03SUN-70K-G03SUN-75K-G03SUN-80K-G03SUN-90K-G03SUN-100K-G03SUN-110K-G03SUN-60K-G01P3-EU-AM8-LV+7

What it means

No AC grid — No grid voltage is detected.

Cause: No AC grid voltage is present at the inverter: a grid outage, a bad AC connector or cable, or a fault in the AC voltage detection circuit.

How to fix it

  1. Check the AC grid voltage and the AC voltage detection circuit; check that the AC connector is in good condition and that the AC grid is normal in voltage
  2. Restart the inverter; if the fault still exists, contact your installer.

Source: sun-70k-g03-sun-75k-g03-sun-80k-g03-sun-90k-g03-sun-100k-g03-sun-110k-g03-manual.pdf, p.62 · sun-120k-g01p3-eu-am8-manual.pdf, p.61 · sun-60k-g01p3-eu-am8-lv-sun-70k-g01p3-eu-am8-lv-sun-75k-g01p3-eu-am8-lv-manual.pdf, p.61 · +1 more official manuals

SUN G04/G05/G06 3-Phase

InverterFault

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+71

What it means

No AC grid — No grid detected on the AC side.

Cause: A grid outage, an AC connector in poor condition, abnormal grid voltage, or a faulty AC voltage-detection circuit.

How to fix it

  1. Check the AC grid voltage and the AC voltage detection circuit; check that the AC connector is in good condition and that the AC grid voltage is normal.
  2. Restart the inverter; if the fault still exists, contact your installer or Deye service.

Source: sun-6k-g06-lv-p1-manual.pdf, p.58 · sun-2-7k-g04p1-eu-am1-sun-3k-g04p1-eu-am1-sun-3-3k-g04p1-eu-am1-sun-3-6k-g04p1-eu-am1-sun-4k-g04p1-eu-am1-manual.pdf, p.54 · sun-7k-g06p3-eu-bm2-sun-8k-g06p3-eu-bm2-sun-9k-g06p3-eubm2-sun-10k-g06p3-eu-bm2-sun-12k-g06p3-eu-bm2-manual.pdf, p.57

SUN LP1 Hybrid Series

InverterFault

Also applies to:SUN-3.6K-SG05LP1-EU-SM2-PSUN-5K-SG05LP1-EU-SM2-PSUN-6K-SG05LP1-EU-SM2-PSUN-7K-SG05LP1-EU-SM2-PSUN-7.6K-SG05LP1-EU-SM2-PSUN-8K-SG05LP1-EU-SM2-PSUN-10K-SG05LP1-EU-SM2-PSUN-7.6K-SG01LP1-EU+21

What it means

No AC grid — No utility: no AC grid is detected.

Cause: The grid supply is lost, the grid connection is bad, or the switch between the inverter and the grid is off.

How to fix it

  1. Confirm whether the grid is lost, check that the grid connection is good, and check that the switch between the inverter and the grid is on.
  2. Seek help from Deye if the inverter cannot go back to the normal state.

Source: sun-3.6-5-6-7-7.6-8-10k-sg05lp1-eu-sm2-p-20260428-en-manual.pdf, p.50 · sun-12-14-16k-sg01lp1-eu-20260519-en-manual.pdf, p.46 · sun-3.6-6-k-og01lp1-eu-am2-20260406-en-manual.pdf, p.46 · +4 more official manuals

SUN SG01HP3/SG02HP3 Hybrid

InverterFault

Also applies to:SUN-5K-SG01HP3-EU-AM2SUN-6K-SG01HP3-EU-AM2SUN-8K-SG01HP3-EU-AM2SUN-10K-SG01HP3-EU-AM2SUN-12K-SG01HP3-EU-AM2SUN-15K-SG01HP3-EU-AM2SUN-20K-SG01HP3-EU-AM2SUN-25K-SG01HP3-EU-AM2+9

What it means

No Utility (Grid Lost) — AC_NoUtility_Fault - no utility grid detected.

Cause: The utility grid is not detected - the grid is down, or the grid voltage/frequency or the grid connection is abnormal.

How to fix it

Check the grid voltage and frequency and whether the connection of the power grid is normal.

Source: sun-12k-sg01hp3-eu-am2-manual.pdf, p.51 · sun-29.9-30-35-40-50k-sg01hp3-eu-bm3-4-20260224-en-manual.pdf, p.52 · sun-60-70-75-80k-sg02hp3-eu-em6-20260224-en-manual.pdf, p.52

SUN SG02LP2-US Hybrid

InverterFault

Also applies to:SUN-5K-SG02LP2-US-AM2SUN-6K-SG02LP2-US-AM2SUN-7.6K-SG02LP2-US-AM2SUN-8K-SG02LP2-US-AM2SUN-10K-SG02LP2-US-AM3SUN-12K-SG02LP2-US-AM3

What it means

No AC Grid (No Utility) — No AC grid - no utility grid detected.

Cause: The utility grid is lost or not detected at the grid port - a grid outage, a bad grid connection, or an open switch between the inverter and the grid.

How to fix it

  1. Confirm whether the grid is lost
  2. Check that the grid connection is good
  3. Check that the switch between the inverter and the grid is on
  4. Seek help from us if it cannot go back to the normal state.

Source: sun-5k-sg02lp2-us-am2-sun-10k-sg02lp2-us-am3-sun-12k-sg02lp2-us-am3-manual.pdf, p.55

GB-A HV Battery

BatteryFault

Also applies to:GB-A

What it means

ALARM_ID_MOT_VOLT_SAMP_ERROR — The MOT total-voltage sampling is abnormal.

Cause: The voltage measurement on the MOT (output-side) sampling point returned an invalid reading - a sampling-circuit fault.

How to fix it

  1. Restart the system.
  2. If the fault persists, contact Deye support for service.

Source: gb-a-pack6-gb-a4-gb-a10-gb-a16-manual.pdf, p.14

Frequently asked questions

What does error 35 mean on a DEYE inverter?
It depends on the model — 10 devices use code 35. On the SUN G01P3-EU-BM8 Series it means: No AC grid. The card for each model on this page gives its exact meaning and fix.
Is error 35 a fault or a warning?
35 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error 35?
1. Check the AC grid voltage and the AC voltage detection circuit; check that the AC connector is in good condition and that the AC grid is normal in voltage. 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 G02P1-EU Series codes

Other codes on the SUN G03/G01P3-AM8 Series

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 All SUN G04P1/G05P1 Series codes All SUN G06P3-EU Series codes

Other codes on the SUN LP1 Hybrid Series

All SUN LP1 Hybrid Series codes

Other codes on the SUN SG01HP3/SG02HP3 Hybrid

All SUN SG01HP3/SG02HP3 Hybrid codes

Other codes on the SUN SG02LP2-US Hybrid

All SUN SG02LP2-US Hybrid 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.