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Fault codes › Sungrow › Sungrow SG250HX

Sungrow SG250HX 43

Code
43
Shown as
Excessively Low Ambient Temperature
Page
93
ID
fc:sungrow-sg250hx-43
IRI
https://solarlattice.org/kb/fc/sungrow-sg250hx-43
Status
active
Also known as
43, Sungrow 43, Excessively Low Ambient Temperature
Category
Inverters
Class fault drafted · lead
Production stops drafted · lead
Clears after a manual reset verified · fact

Decoded

Reports inverter undertemperature.

What can be behind Inverter undertemperature

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 E033, ABB / FIMER PVS-60-TL E033, ABB / FIMER TRIO-20.0-27.6-TL E033, ABB / FIMER UNO-DM-3.3-5.0-PLUS E033, ABB / FIMER UNO-DM-6.0-PLUS E033
Fronius
Fronius Symo 573
SMA
SMA SB-US-40 6512, SMA SB-US-41 6512, SMA SBSE-US-50 6512, SMA PEAK3-US 6512, SMA CORE1-US 6512, SMA STP-TL-US 6512, SMA STP-X-US 6512, SMA SC-CP-XT 6512
Schneider Electric
Schneider Electric CL125 043
Solis
Solis S6-EH2P UN-TEM, Solis S6-EH3P30-60K UN-TEM, Solis S6-EH3P75-150K UN-TEM, Solis S6-GC UN-TEM, Solis S6-GU UN-TEM
Sungrow
Sungrow SG-CX-US 043, Sungrow SG200HX 043, Sungrow SG350HX 043

Same code in other families

Claims

defined_in

c1 drafted · lead SG250HX-US-UEN-Ver17-202203

reports

c2 drafted · lead Inverter undertemperature

has_event_class

c3 drafted · lead Fault (device stops or needs intervention)

review note: support check: partial - The passage says to stop and disconnect the inverter, which implies a fault, but doesn't state the classification.

has_production_effect

c4 drafted · lead Trip (production stops)

has_recovery

c5 verified · fact Manual reset (operator restarts or acknowledges)

Operator restarts once ambient temperature is back within operating range.

verified by: review-workflowverified on: 2026-10-20

applies_to

c6 drafted · lead Sungrow SG250HX-US

Data