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Fault codes › Sungrow › Sungrow SG350HX-US

Sungrow SG350HX 332-363

Code
332-363
Shown as
Boost Capacitor Overvoltage Alarm
Page
93
ID
fc:sungrow-sg350hx-332-363
IRI
https://solarlattice.org/kb/fc/sungrow-sg350hx-332-363
Status
active
Also known as
332-363, Sungrow 332-363, Boost Capacitor Overvoltage Alarm
Category
Inverters
Class warning drafted · lead
Production unaffected drafted · lead
Clears not stated

Decoded

Reports boost capacitor overvoltage; do: wiring and terminal check.

What can be behind Boost capacitor overvoltage

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

Sungrow
Sungrow SG200HX 332-363, Sungrow SG200HX 364-395, Sungrow SG250HX 332-363, Sungrow SG250HX 364-395, Sungrow SG350HX 364-395

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow SG350HX-US User Manual

reports

c2 drafted · lead Boost capacitor overvoltage

has_event_class

c3 drafted · lead Warning (device continues, a condition is flagged)

has_production_effect

c4 drafted · lead No production effect

mitigated_by

c5 verified · fact Wiring and terminal check

Contact service if the alarm persists.

verified by: review-workflowverified on: 2026-10-23

applies_to

c6 drafted · lead Sungrow SG350HX-US

Data