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Fault codes › ABB / FIMER › UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US

ABB / FIMER UNO-DM-3.3-5.0-PLUS W011

Code
W011
Shown as
Bulk UV
Vendor severity
Warning
Page
127
ID
fc:abb-uno-dm-3-3-5-0-plus-us-w11
IRI
https://solarlattice.org/kb/fc/abb-uno-dm-3-3-5-0-plus-us-w11
Status
active
Also known as
W011, w11, ABB / FIMER W011, Bulk UV
Category
Inverters
Class warning drafted · lead
Production not stated
Clears not stated

Decoded

Reports DC bus undervoltage; look at DC link capacitor, DC boost converter; confirm with DC voltage measurement; do: inverter parameter adjustment.

What can be behind DC bus undervoltage

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 E010, ABB / FIMER PVS-166-175-TL W011, ABB / FIMER PVS-60-TL E010, ABB / FIMER PVS-60-TL W011, ABB / FIMER TRIO-20.0-27.6-TL E010, ABB / FIMER TRIO-20.0-27.6-TL W011, ABB / FIMER UNO-DM-3.3-5.0-PLUS E010, ABB / FIMER UNO-DM-6.0-PLUS E010, ABB / FIMER UNO-DM-6.0-PLUS W011
CPS
CPS SCA50-100K-T Fault6080
Canadian Solar
Canadian Solar 125K-T600GL02 UN-BUS, Canadian Solar 125KTL-GS-E UN-BUS, Canadian Solar 185-255K UN-BUS01/02, Canadian Solar 25-40K-T480GL01 UN-BUS, Canadian Solar 25-40KTL-GS-FL UN-BUS, Canadian Solar 50-66K-T480GL01 UN-BUS, Canadian Solar 50-66KTL-GS-FL UN-BUS, Canadian Solar 75-100K-T480GL02 UN-BUS
Fronius
Fronius Primo 443, Fronius Symo 443
KACO new energy
KACO new energy blueplanet TL3 84
Solis
Solis 1P-4G-US UN-BUS, Solis 3P-5G-US UN-BUS01/02, Solis RHI-1P-HV UN-BUS01/02, Solis S5-GC UN-BUS, Solis S6-EH1P UN-BUS01/02, Solis S6-EH2P UN-BUS01, Solis S6-EH3P30-60K UN-BUS01, Solis S6-EH3P75-150K UN-BUS01, Solis S6-GC UN-BUS, Solis S6-GU UN-BUS

Same code in other families

Claims

defined_in

c1 drafted · lead FIMER UNO-DM-3.3-5.0-TL-PLUS-US-Q Product Manual RevB

c2 drafted · lead UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA

has_event_class

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

from the code prefix

reports

c4 drafted · lead DC bus undervoltage

review note: support check: partial - W011 is low bulk voltage in the DC-DC circuit, which is DC bus undervoltage by paraphrase, but this is not…

affects

c5 drafted · lead DC link capacitor

c6 drafted · lead DC boost converter

detected_by

c7 drafted · lead DC voltage measurement

review note: support check: partial - Input voltage is checked against Vstart, but detection by DC voltage measurement is only implied.

mitigated_by

c8 drafted · lead Inverter parameter adjustment

Raise activation voltage Vstart; contact service if input exceeds Vstart

applies_to

c9 drafted · lead UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US string inverter

Data