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Fault codes › Solis › Solis S6-EH3P(30-60)K-NV-YD-H-US

Solis S6-EH3P30-60K G-PHASE

Code
G-PHASE
Shown as
Unbalanced grid voltage
Page
92
ID
fc:solis-s6-eh3p-30-60k-us-gphase
IRI
https://solarlattice.org/kb/fc/solis-s6-eh3p-30-60k-us-gphase
Status
active
Also known as
G-PHASE, gphase, Solis G-PHASE, Unbalanced grid voltage
Category
Inverters
Class not stated
Production not stated
Clears after a manual reset drafted · lead

Decoded

Reports phase imbalance; look at AC cable; confirm with phase current measurement; do: AC connection check, inverter restart.

What can be behind Phase imbalance

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 E032, ABB / FIMER PVS-60-TL E032, ABB / FIMER TRIO-20.0-27.6-TL E032, ABB / FIMER UNO-DM-3.3-5.0-PLUS E032, ABB / FIMER UNO-DM-6.0-PLUS E032
CPS
CPS SCA50-100K-T Protect0250, CPS SCA50-100K-T Protect0270
Huawei
Huawei SUN2000-100KTL-USH0 2035, Huawei SUN2000-25-30KTL-US 301, Huawei SUN2000-45KTL-US-HV-D0 301
KACO new energy
KACO new energy blueplanet TL3 227
Schneider Electric
Schneider Electric CL125 017, Schneider Electric CL125 042
Solis
Solis S6-EH2P G-PHASE, Solis S6-EH3P75-150K G-PHASE, Solis S6-GC G-PHASE, Solis S6-GU G-PHASE
Sungrow
Sungrow SG-CX-US 017, Sungrow SG200HX 017, Sungrow SG250HX 17, Sungrow SG350HX 017

Same code in other families

Claims

defined_in

c1 drafted · lead Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1_0_20260908

c2 drafted · lead Solis_Manual_S6-EH3P(30-60)K-NV-YD-H-US(21A)_V1.0_20251202

reports

c3 drafted · lead Phase imbalance

affects

c4 drafted · lead AC cable

detected_by

c5 drafted · lead Phase current measurement

mitigated_by

c6 drafted · lead AC connection check

c7 drafted · lead Inverter restart

has_recovery

c8 drafted · lead Manual reset (operator restarts or acknowledges)

Restart first; then verify phase currents and grid connection.

review note: support check: partial - Restart first then measure currents and check connection is listed, but clearing by manual reset is not stated explicitly.

applies_to

c9 drafted · lead Solis S6-EH3P(30-60)K-NV-YD-H-US

Data