c1 drafted · lead FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG
- FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG
tbl=37.r2h=e1b0f3237f9c
Fault codes › ABB / FIMER › TRIO-20.0/27.6-TL-OUTD(-US)
Reports DC overvoltage; look at PV array; confirm with DC voltage measurement; do: string configuration correction.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=37.r2 h=e1b0f3237f9cThe manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG
tbl=37.r2 h=e1b0f3237f9chas_event_classc2 drafted · lead Fault (device stops or needs intervention)
from the code prefix
tbl=37.r2 h=e1b0f3237f9creportsc3 verified · fact DC overvoltage
tbl=52.r7 h=81d08857ddbetbl=45.r12 h=7fb81d0cdd63tbl=38.r8 h=c92424d52505tbl=36.r8 h=c92424d52505tbl=52.r9 h=b5278e0746fbtbl=47.r9 h=b5278e0746fbtbl=37.r2 h=e1b0f3237f9cverified by: review-workflowverified on: 2026-10-23
affectstbl=52.r7 h=81d08857ddbetbl=45.r12 h=7fb81d0cdd63tbl=38.r8 h=c92424d52505tbl=36.r8 h=c92424d52505tbl=52.r9 h=b5278e0746fbtbl=47.r9 h=b5278e0746fbtbl=37.r2 h=e1b0f3237f9cdetected_byc5 drafted · lead DC voltage measurement
tbl=52.r7 h=81d08857ddbetbl=45.r12 h=7fb81d0cdd63tbl=38.r8 h=c92424d52505tbl=36.r8 h=c92424d52505tbl=52.r9 h=b5278e0746fbtbl=47.r9 h=b5278e0746fbtbl=37.r2 h=e1b0f3237f9cmitigated_byc6 drafted · lead String configuration correction
Applies when measured voltage exceeds the operating range; otherwise internal malfunction, contact service.
tbl=52.r7 h=81d08857ddbetbl=45.r12 h=7fb81d0cdd63tbl=38.r8 h=c92424d52505tbl=36.r8 h=c92424d52505tbl=52.r9 h=b5278e0746fbtbl=47.r9 h=b5278e0746fbtbl=37.r2 h=e1b0f3237f9chas_production_effectc7 drafted · lead Trip (production stops)
Inverter does not start while input exceeds the overvoltage threshold.
tbl=52.r7 h=81d08857ddbetbl=45.r12 h=7fb81d0cdd63tbl=38.r8 h=c92424d52505tbl=36.r8 h=c92424d52505tbl=52.r9 h=b5278e0746fbtbl=47.r9 h=b5278e0746fbtbl=37.r2 h=e1b0f3237f9capplies_toc8 drafted · lead TRIO-20.0/27.6-TL-OUTD string inverter
tbl=37.r2 h=e1b0f3237f9c