Fault codes › Fronius › Fronius Symo UL (10.0-3 to 24.0-3 208-240/480)

Fronius Symo 443

Code

443

Shown as

Intermediate circuit voltage too low or unsymmetrical

Vendor severity

Class 4

ID

fc:fronius-symo-443

IRI

https://solarlattice.org/kb/fc/fronius-symo-443

Status

active

Also known as

443, Fronius 443, Intermediate circuit voltage too low or unsymmetrical

Category

Inverters

Decoded

Reports DC bus undervoltage; do: contact manufacturer service.

What can be behind DC bus undervoltage

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

• fronius-symo-ul-emanual-status-codes — Fronius drafted · lead
  • tbl=15.r18 h=3caa62bd2902
  • sec=h22 h=b16852f397f6

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-3.3-5.0-PLUS W011, 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

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

• Fronius Primo 443

Claims

defined_in

reports

mitigated_by

has_event_class

has_production_effect

applies_to

Data

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