Solar Lattice

Fault codes › ABB / FIMER › UNO-DM-6.0-TL-PLUS-US

ABB / FIMER UNO-DM-6.0-PLUS W026

Code
W026
Shown as
AFDD user reset
Vendor severity
Warning
Page
123
ID
fc:abb-uno-dm-6-0-plus-us-w26
IRI
https://solarlattice.org/kb/fc/abb-uno-dm-6-0-plus-us-w26
Status
active
Also known as
W026, w26, ABB / FIMER W026, AFDD user reset
Category
Inverters
Class warning drafted · lead
Production unaffected verified · fact
Clears not stated

Decoded

Reports arc fault alarm reset.

What can be behind Arc fault alarm reset

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 W026, ABB / FIMER PVS-60-TL W026, ABB / FIMER UNO-DM-3.3-5.0-PLUS W026

Same code in other families

Claims

defined_in

c1 drafted · lead FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB

c2 drafted · lead UNO-DM-6.0-TL-PLUS-US Product Manual RevA

has_event_class

c3 drafted · lead Warning (device continues, a condition is flagged)

from the code prefix

reports

c4 drafted · lead Arc fault alarm reset

has_production_effect

c5 verified · fact No production effect

User reset of arc fault error, only logged in event history

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

applies_to

c6 drafted · lead UNO-DM-6.0-TL-PLUS-US string inverter

Data