Also applies to:SUN-120K-G01P3-EU-BM8SUN-125K-G01P3-EU-BM8SUN-130K-G01P3-EU-BM8SUN-135K-G01P3-EU-BM8SUN-136K-G01P3-EU-BM8
What it means
AC over current — The AC output current exceeded the over-current protection limit. The manual notes this code has hardly ever appeared in the field.
Cause: The AC output current exceeded the over-current protection limit.
How to fix it
Restart the inverter; if the code persists after the restart, contact your installer or Deye service and provide the inverter serial number, the installation date and the displayed error code.
Source: 041_BManual_SUN-120_125_130_135_136K-G01P3-EU-BM8_20251021_en_a2166559.pdf, p.62
Also applies to:SUN-7K-G02P1-EU-AM2SUN-7.5K-G02P1-EU-AM2SUN-8K-G02P1-EU-AM2SUN-9K-G02P1-EU-AM2SUN-10K-G02P1-EU-AM2SUN-10.5K-G02P1-EU-AM2
What it means
AC over current — AC over-current reported by the current measurement.
Cause: The AC current sensor or its circuit has an issue, or the configured inverter type does not match the machine.
How to fix it
Check the AC current sensor and its circuit; check whether the inverter type setting is right for this machine.
Source: 065_BManual_SUN-7_7.5_8K-G02P1-EU-AM2_20260625_en_4466f08b.pdf, p.52 · 032_BManual_SUN-9_10_10.5K-G02P1-EU-AM2_20260625_en_df0f2106.pdf, p.52
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
AC over current — The AC output current exceeded the over-current protection limit.
Cause: The AC output current exceeded the over-current protection limit.
How to fix it
Restart the inverter; if the fault is not ruled out, contact the installer or the manufacturer's customer service.
Source: 033_BManual_SUN-70_75_80_90_100_110K-G03_20260702_en_a9db1e1b.pdf, p.62 · 042_BManual_SUN-120_125_130_135_136K-G01P3-EU-AM8_20260702_en_05f936e3.pdf, p.61 · 060_BManual_SUN-60_70_75K-G01P3-EU-AM8-LV_20260701_en_f559aeec.pdf, p.61 · +1 more official manuals
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
AC over current — Over-current detected on the AC output.
Cause: The AC output current exceeded the protection limit.
How to fix it
Restart the inverter; if the fault is not ruled out, contact the installer or manufacturer customer service.
Source: 063_BManual_SUN-6K-G06-LV-P1_20250923_en_30a96699.pdf, p.58
Also applies to:SUN-1K-G04P1-EU-AM1SUN-1.5K-G04P1-EU-AM1SUN-2K-G04P1-EU-AM1SUN-2.2K-G04P1-EU-AM1SUN-2.5K-G04P1-EU-AM1SUN-2.7K-G04P1-EU-AM1SUN-3K-G04P1-EU-AM1SUN-3.3K-G04P1-EU-AM1+15
What it means
AC over current — Over-current detected on the AC output.
Cause: Usually the AC current sensor or its circuit has an issue, or the configured inverter type is not right.
How to fix it
Check the AC current sensor and its circuit; check that the inverter type is right.
Source: 031_BManual_SUN-1_1.5_2_2.2_2.5_2.7_3_3.3_3.6_4K-G04P1-EU-AM1_20260624_en_15adc00c.pdf, p.54
Also applies to:SUN-3K-G06P3-EU-AM2-P1SUN-4K-G06P3-EU-AM2-P1SUN-5K-G06P3-EU-AM2-P1SUN-6K-G06P3-EU-AM2-P1SUN-7K-G06P3-EU-AM2-P1SUN-8K-G06P3-EU-AM2-P1SUN-9K-G06P3-EU-AM2-P1SUN-10K-G06P3-EU-AM2-P1+13
What it means
AC over current — Over-current detected on the AC output.
Cause: The AC output current exceeded the protection limit.
How to fix it
Deye states this code has hardly ever appeared in the field; contact your installer or Deye service if it occurs.
Source: 036_BManual_SUN-3_4_5_6_7_8_9_10_12_15K-G06P3-EU-BM2_20250506_en_0eb78440.pdf, p.57
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
AC Overcurrent Fault — AC_OverCurr_Fault - overcurrent on the AC (grid) side.
Cause: The grid-side AC current is too large.
How to fix it
- 1Check whether the grid current is too large
- 2Restart the inverter 3 times and restore the factory settings.
Source: 037_BManual_SUN-5_6_8_10_12_15_20_25K-SG01HP3-EU-AM2_20260224_en_9ef2717c.pdf, p.50 · 050_BManual_SUN-29.9_30_35_40_50K-SG01HP3-EU-BM3_4_20260224_en_544e1b2f.pdf, p.51 · 062_BManual__SUN-60_70_75_80K-SG02HP3-EU-EM6_20260224_en_38cbc9f6.pdf, p.51
Also applies to:GB-A
What it means
ALARM_ID_FUSE_VOLT_SAMP_ERROR — The fuse total-voltage sampling is abnormal (manual wording: 'the FUSE total pressure collection is abnormal').
Cause: The voltage measurement across the main fuse returned an invalid reading - a sampling-circuit fault or a degraded fuse connection.
How to fix it
- 1Restart the system.
- 2If the fault persists, contact Deye support for service.
Source: 008_deye_ess_user_manual_gb_a_jpnen_v02_20250829_3fea617e.pdf, p.14