c1 drafted · lead SG250HX-US-UEN-Ver17-202203
- SG250HX-US-UEN-Ver17-202203
tbl=39.r3h=c338b4abeef8
Fault codes › Sungrow › Sungrow SG250HX
Reports grid loss; look at AC cable; do: AC connection check.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=39.r3 h=c338b4abeef8The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead SG250HX-US-UEN-Ver17-202203
tbl=39.r3 h=c338b4abeef8reportstbl=39.r3 h=c338b4abeef8tbl=48.r3 h=e37d4c329c9bhas_event_classc3 drafted · lead Fault (device stops or needs intervention)
tbl=39.r3 h=c338b4abeef8sec=9.1 h=7e543aeb5157review note: support check: partial - The passages show it is a listed fault code in the troubleshooting table, but they give no explicit fault classification.
has_production_effectc4 verified · fact Trip (production stops)
tbl=39.r3 h=c338b4abeef8tbl=48.r3 h=e37d4c329c9bverified by: review-workflowverified on: 2026-10-20review note: support check: partial - A grid outage followed by reconnection implies the inverter stops feeding in, but the passages don't explicitly state a trip.
has_recoveryc5 drafted · lead Auto-reset (clears by itself)
If repeated, check grid supply, AC wiring and breaker, then contact service.
tbl=39.r3 h=c338b4abeef8tbl=48.r3 h=e37d4c329c9bmitigated_byc6 drafted · lead AC connection check
tbl=39.r3 h=c338b4abeef8tbl=48.r3 h=e37d4c329c9baffectstbl=39.r3 h=c338b4abeef8tbl=48.r3 h=e37d4c329c9breview note: support check: partial - The AC cable check is a listed corrective step, but the passages don't say the fault affects the cable.
applies_toc8 drafted · lead Sungrow SG250HX-US
tbl=39.r3 h=c338b4abeef8