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

Solis S6-EH3P30-60K UN-BUS02

Code
UN-BUS02
Shown as
Abnormal detection of DC bus voltage
Page
93
ID
fc:solis-s6-eh3p-30-60k-us-unbus02
IRI
https://solarlattice.org/kb/fc/solis-s6-eh3p-30-60k-us-unbus02
Status
active
Also known as
UN-BUS02, unbus02, Solis UN-BUS02, Abnormal detection of DC bus voltage
Category
Inverters
Class fault drafted · lead
Production not stated
Clears after a manual reset drafted · lead

Decoded

Reports DC bus voltage detection error; do: inverter restart.

What can be behind DC bus voltage detection error

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

Solis
Solis S6-EH2P UN-BUS02, Solis S6-EH3P75-150K UN-BUS02

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 DC bus voltage detection error

mitigated_by

c4 verified · fact Inverter restart

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

has_event_class

c5 drafted · lead Fault (device stops or needs intervention)

review note: support check: partial - Fault class not explicit; implied by 'confirm that the fault continues'.

has_recovery

c6 drafted · lead Manual reset (operator restarts or acknowledges)

applies_to

c7 drafted · lead Solis S6-EH3P(30-60)K-NV-YD-H-US

Data