Solar Lattice

Fault codes › Solis › Solis S6-GU(250-350)K-EHV-US

Solis S6-GU RelayChk-Fail

Code: RelayChk-Fail
Shown as: Relay detection fai lure
Page: 49
ID: fc:solis-s6-gu-ehv-us-relaychkfail
IRI: https://solarlattice.org/kb/fc/solis-s6-gu-ehv-us-relaychkfail
Status: active
Also known as: RelayChk-Fail, relaychkfail, Solis RelayChk-Fail, Relay detection fai lure
Category: Inverters

Class fault drafted · lead

Production not stated

Clears after a manual reset drafted · lead

Decoded

May indicate relay failure; look at grid tie relay; do: inverter restart, inverter replacement.

Defined in

Solis_Manual_S6-GU(250-350)K-EHV-USA_PE-MN-0001-R00 — Solis (Ginlong) · page 49 drafted · lead
- tbl=14.r2 h=1940643dcd1b

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

Same code in other families

Claims

`defined_in`

c1 drafted · lead Solis_Manual_S6-GU(250-350)K-EHV-USA_PE-MN-0001-R00

Solis_Manual_S6-GU(250-350)K-EHV-USA_PE-MN-0001-R00 tbl=14.r2 h=1940643dcd1b

`indicates`

c2 drafted · lead Relay failure

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b
Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=10.r14 h=b0706deaf2d2
Solis_Manual_S6-EH1P(3.8-11.4)K-H-US_v.5.6_20260413 tbl=14.r14 h=b0706deaf2d2
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=18.r4 h=d551b846d262
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=28.r4 h=b1f2fd599fef
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r3 h=b1f2fd599fef

`affects`

c3 drafted · lead Grid tie relay

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b
Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=10.r14 h=b0706deaf2d2
Solis_Manual_S6-EH1P(3.8-11.4)K-H-US_v.5.6_20260413 tbl=14.r14 h=b0706deaf2d2
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=18.r4 h=d551b846d262
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=28.r4 h=b1f2fd599fef
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r3 h=b1f2fd599fef

review note: support check: partial - Relay failure is stated but the specific grid-tie relay is not named.

`mitigated_by`

c4 drafted · lead Inverter restart

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b
Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=10.r14 h=b0706deaf2d2
Solis_Manual_S6-EH1P(3.8-11.4)K-H-US_v.5.6_20260413 tbl=14.r14 h=b0706deaf2d2
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=18.r4 h=d551b846d262
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=28.r4 h=b1f2fd599fef
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r3 h=b1f2fd599fef

c5 drafted · lead Inverter replacement

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b

`has_event_class`

c6 drafted · lead Fault (device stops or needs intervention)

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=18.r4 h=d551b846d262
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=28.r4 h=b1f2fd599fef
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r3 h=b1f2fd599fef

`has_recovery`

c7 drafted · lead Manual reset (operator restarts or acknowledges)

Restart first; installer contact or inverter replacement if it persists.

Solis S6-GC30K-LV-US Manual V1.2 tbl=15.r2 h=1940643dcd1b
Solis_Manual_RHI-1P(5-10)K-HV_USA_V1.1 tbl=10.r14 h=b0706deaf2d2
Solis_Manual_S6-EH1P(3.8-11.4)K-H-US_v.5.6_20260413 tbl=14.r14 h=b0706deaf2d2
Solis_manual_S6-EH2P(9.6-16)K-SV-YD-L-US_V2.7_20260305 tbl=18.r4 h=d551b846d262
Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908 tbl=28.r4 h=b1f2fd599fef
Solis_Manual_S6-EH3P(75-150)K10-NV-YD-H-US_V1.0 tbl=29.r3 h=b1f2fd599fef

`applies_to`

c8 drafted · lead Solis S6-GU(250-350)K-EHV-US

Solis_Manual_S6-GU(250-350)K-EHV-USA_PE-MN-0001-R00 tbl=14.r2 h=1940643dcd1b

Data