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Fault codes › ABB / FIMER › UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US

ABB / FIMER UNO-DM-3.3-5.0-PLUS CODE:03

Code
CODE:03
Page
143
ID
fc:abb-uno-dm-3-3-5-0-plus-us-code03
IRI
https://solarlattice.org/kb/fc/abb-uno-dm-3-3-5-0-plus-us-code03
Status
active
Also known as
CODE:03, code03, ABB / FIMER CODE:03
Category
Inverters
Class warning verified · fact
Production reduced drafted · lead
Clears not stated

Decoded

Reports islanding detected; do: contact manufacturer service.

What can be behind Islanding detected

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 W015, ABB / FIMER PVS-60-TL CODE:03, ABB / FIMER PVS-60-TL W015, ABB / FIMER TRIO-20.0-27.6-TL CODE:03, ABB / FIMER UNO-DM-3.3-5.0-PLUS W015, ABB / FIMER UNO-DM-6.0-PLUS CODE:03, ABB / FIMER UNO-DM-6.0-PLUS W015
Fronius
Fronius Galvo 108, Fronius Primo 108, Fronius Symo 108
SMA
SMA SB-US-40 401-404, SMA SB-US-41 401, SMA SB-US-41 404, SMA SBSE-US-50 401, SMA SBSE-US-50 404, SMA CORE1-US 401, SMA STP-TL-US 401, SMA STP-TL-US 404, SMA STP-X-US 401, SMA STP-X-US 404, SMA SC-CP-XT 404, SMA SC-CP-XT 0506, SMA SI-US W331, SMA SI-US W332, SMA SI-US W333, SMA SI-US W334
Schneider Electric
Schneider Electric CL125 010
Yaskawa Solectria
Yaskawa Solectria XGI-1500-1MW WARN-3, Yaskawa Solectria XGI-1500-DCG WARN-3, Yaskawa Solectria XGI-1500 WARN-3

Same code in other families

Claims

defined_in

c1 drafted · lead UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA

reports

c2 drafted · lead Islanding detected

has_event_class

c3 verified · fact Warning (device continues, a condition is flagged)

verified by: review-workflowverified on: 2026-10-23review note: support check: partial - The device continues operating with a limitation (warning-like), but a warning class isn't explicitly stated.

has_production_effect

c4 drafted · lead Derate (output reduced or limited)

Limit percentage is variable; the 50 percent figure is only an example

mitigated_by

c5 drafted · lead Contact manufacturer service

Only when the inverter stays grid-connected while the limitation remains active

applies_to

c6 drafted · lead UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US string inverter

Data