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Fault codes › Huawei › Huawei SUN2000-100KTL-USH0

Huawei SUN2000-100KTL-USH0 2033

Code
2033
Shown as
Grid Undervoltage
Vendor severity
Major
Page
119
ID
fc:huawei-sun2000-100ktl-ush0-2033
IRI
https://solarlattice.org/kb/fc/huawei-sun2000-100ktl-ush0-2033
Status
active
Also known as
2033, Huawei 2033, Grid Undervoltage
Category
Inverters
Class fault drafted · lead
Production stops verified · fact
Clears by itself drafted · lead

Decoded

Reports grid undervoltage.

What can be behind Grid undervoltage

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER
ABB / FIMER PVS-166-175-TL W005, ABB / FIMER PVS-60-TL CODE:04, ABB / FIMER PVS-60-TL W005, ABB / FIMER TRIO-20.0-27.6-TL CODE:04, ABB / FIMER UNO-DM-3.3-5.0-PLUS CODE:04, ABB / FIMER UNO-DM-3.3-5.0-PLUS W005, ABB / FIMER UNO-DM-6.0-PLUS CODE:04, ABB / FIMER UNO-DM-6.0-PLUS W005
Canadian Solar
Canadian Solar 125K-T600GL02 UN-G-V, Canadian Solar 125KTL-GS-E UN-G-V, Canadian Solar 25-40K-T480GL01 UN-G-V, Canadian Solar 25-40KTL-GS-FL UN-G-V, Canadian Solar 50-66K-T480GL01 UN-G-V, Canadian Solar 50-66KTL-GS-FL UN-G-V, Canadian Solar 75-100K-T480GL02 UN-G-V
Fronius
Fronius Galvo 103, Fronius Galvo 213, Fronius Galvo 223, Fronius Primo 103, Fronius Symo 103, Fronius Symo 213, Fronius Symo 223, Fronius Symo 233
Huawei
Huawei SUN2000-25-30KTL-US 301, Huawei SUN2000-45KTL-US-HV-D0 301
KACO new energy
KACO new energy blueplanet TL3 111, KACO new energy blueplanet TL3 112, KACO new energy blueplanet TL3 113, KACO new energy blueplanet TL3 41, KACO new energy blueplanet TL3 43, KACO new energy blueplanet TL3 45
SMA
SMA SB-US-40 202-206, SMA SB-US-41 202, SMA SB-US-41 0203, SMA SB-US-41 206, SMA SBSE-US-50 202, SMA SBSE-US-50 0203, SMA SBSE-US-50 206, SMA STP-TL-US 202-203, SMA SC-CP-XT 0203, SMA SC-CP-XT 0204, SMA SI-US W315, SMA SI-US W316, SMA SI-US W317, SMA SI-US W318
Schneider Electric
Schneider Electric CL125 004, Schneider Electric CL125 005
Solis
Solis 1P-4G-US UN-G-V, Solis 3P-5G-US UN-G-V01/02, Solis RHI-1P-HV UN-G-V01/02, Solis S5-GC UN-G-V, Solis S6-EH1P UN-G-V01/02, Solis S6-EH2P UN-G-V01, Solis S6-EH2P UN-G-V02, Solis S6-EH3P30-60K UN-G-V01, Solis S6-EH3P30-60K UN-G-V02, Solis S6-EH3P75-150K UN-G-V01, Solis S6-EH3P75-150K UN-G-V02, Solis S6-GC UN-G-V, Solis S6-GU UN-G-V
Sungrow
Sungrow SG-CX-US 004, Sungrow SG-CX-US 005, Sungrow SG200HX 004, Sungrow SG200HX 005, Sungrow SG250HX 4, Sungrow SG250HX 5, Sungrow SG350HX 004, Sungrow SG350HX 005
Yaskawa Solectria
Yaskawa Solectria SGI-XTM Vac Low, Yaskawa Solectria SGI-XTM Vac Very Low, Yaskawa Solectria XGI-1500-1MW WARN-10, Yaskawa Solectria XGI-1500-1MW WARN-11, Yaskawa Solectria XGI-1500-1MW WARN-9, Yaskawa Solectria XGI-1500-DCG WARN-10, Yaskawa Solectria XGI-1500-DCG WARN-11, Yaskawa Solectria XGI-1500-DCG WARN-9, Yaskawa Solectria XGI-1500 WARN-10, Yaskawa Solectria XGI-1500 WARN-11, Yaskawa Solectria XGI-1500 WARN-9

Claims

defined_in

c1 drafted · lead Huawei SUN2000-100KTL-USH0 User Manual

has_event_class

c2 drafted · lead Fault (device stops or needs intervention)

from the Type column

reports

c3 drafted · lead Grid undervoltage

has_production_effect

c4 verified · fact Trip (production stops)

verified by: review-workflowverified on: 2026-10-23

has_recovery

c5 drafted · lead Auto-reset (clears by itself)

Frequent or persistent alarms escalate to grid and AC circuit checks.

review note: support check: partial - Auto recovery is stated, but the escalation to grid and AC circuit checks is truncated in the passage.

applies_to

c6 drafted · lead Huawei SUN2000-100KTL-USH0

Data