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Fault codes › Solis › Solis S5-GC(75-125)K-US

Solis S5-GC ARC-FAULT

Code: ARC-FAULT
Page: 71
ID: fc:solis-s5-gc-us-arcfault
IRI: https://solarlattice.org/kb/fc/solis-s5-gc-us-arcfault
Status: active
Also known as: ARC-FAULT, arcfault, Solis ARC-FAULT
Category: Inverters

Class fault verified · fact

Production not stated

Clears after a manual reset verified · fact

Decoded

Reports arc fault detected; may indicate arc fault; look at DC connector, junction box; confirm with visual inspection, junction box inspection; do: DC wiring check, inverter restart.

What can be behind Arc fault detected

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

Arc fault nuisance trip drafted · lead
Rapid shutdown PLC signal crosstalk drafted · lead

Defined in

Solis Manual S5 (75-100)K US V2,3(20230623) — Ginlong Solis · 2 · page 71 drafted · lead
- tbl=15.r4 h=b4f347f61cee

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

Same condition on other equipment

Same code in other families

Claims

`defined_in`

c1 drafted · lead Solis Manual S5 (75-100)K US V2,3(20230623)

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee

`reports`

c2 drafted · lead Arc fault detected

Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=9.r1 h=fe536f2756ed

`indicates`

c3 verified · fact Arc fault

Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=9.r1 h=fe536f2756ed

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

`affects`

c4 drafted · lead DC connector

Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=9.r1 h=fe536f2756ed
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=20.r5 h=7fd24b969497
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=29.r4 h=ce5381fca1c5
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r19 h=ce5381fca1c5

review note: support check: partial - PV connection arcing and tight connections are mentioned, but DC connector is not named specifically.

c8 verified · fact Junction box

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee

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

`mitigated_by`

c5 drafted · lead DC wiring check

Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=20.r5 h=7fd24b969497
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=29.r4 h=ce5381fca1c5
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r19 h=ce5381fca1c5

c6 drafted · lead Inverter restart

Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=9.r1 h=fe536f2756ed

`has_recovery`

c7 verified · fact Manual reset (operator restarts or acknowledges)

Restart after the PV connection has been checked for arcing.

Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=9.r1 h=fe536f2756ed

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

`detected_by`

c9 verified · fact Visual inspection

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee

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

c10 verified · fact Junction box inspection

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee

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

`has_event_class`

c11 verified · fact Fault (device stops or needs intervention)

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee
Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15 h=cb7b6f9ed265

verified by: review-workflowverified on: 2026-10-20review note: support check: partial - Listed in the 'Fault messages' table, but the row doesn't state device behavior; classification only implied by table title.

`applies_to`

c12 drafted · lead Solis S5-GC(75-125)K-US

Solis Manual S5 (75-100)K US V2,3(20230623) tbl=15.r4 h=b4f347f61cee

Data