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Sungrow SG200HX 364-395

Code
364-395
Shown as
Boost Capacitor Overvoltage Fault
Page
94
ID
fc:sungrow-sg200hx-364-395
IRI
https://solarlattice.org/kb/fc/sungrow-sg200hx-364-395
Status
active
Also known as
364-395, Sungrow 364-395, Boost Capacitor Overvoltage Fault
Category
Inverters
Class fault verified · fact
Production not stated
Clears after a manual reset verified · fact

Decoded

Reports boost capacitor overvoltage; do: inverter restart.

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

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow SG200HX-US User Manual

reports

c2 drafted · lead Boost capacitor overvoltage

has_event_class

c3 verified · fact Fault (device stops or needs intervention)

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

has_recovery

c4 verified · fact Manual reset (operator restarts or acknowledges)

Power-cycle AC/DC after 15 minutes; contact service if it persists.

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

mitigated_by

c5 drafted · lead Inverter restart

applies_to

c6 drafted · lead Sungrow SG200HX-US

Data