Solar Lattice

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

Fronius Symo 523

Code
523
Shown as
DC low String 2
Vendor severity
Class 5
ID
fc:fronius-symo-523
IRI
https://solarlattice.org/kb/fc/fronius-symo-523
Status
active
Also known as
523, Fronius 523, DC low String 2
Category
Inverters
Class not stated
Production unaffected drafted · lead
Clears not stated

Decoded

Reports DC undervoltage.

What can be behind DC 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 W001, ABB / FIMER PVS-166-175-TL W002, ABB / FIMER PVS-60-TL W001, ABB / FIMER PVS-60-TL W002, ABB / FIMER TRIO-20.0-27.6-TL W001, ABB / FIMER TRIO-20.0-27.6-TL W002, ABB / FIMER UNO-DM-3.3-5.0-PLUS W001, ABB / FIMER UNO-DM-3.3-5.0-PLUS W002, ABB / FIMER UNO-DM-6.0-PLUS W001, ABB / FIMER UNO-DM-6.0-PLUS W002
Fronius
Fronius Galvo 307, Fronius Primo 522, Fronius Primo 523, Fronius Symo 307, Fronius Symo 522
KACO new energy
KACO new energy blueplanet TL3 2
Yaskawa Solectria
Yaskawa Solectria SGI-XTM Hw Interlock

Same code in other families

Claims

defined_in

c1 drafted · lead fronius-symo-ul-emanual-status-codes

reports

c2 drafted · lead DC undervoltage

Low DC on string 2 input.

has_production_effect

c3 drafted · lead No production effect

review note: support check: partial - The class 5 text says codes generally do not impair feed-in, but 523 itself is not stated to be class 5.

applies_to

c4 drafted · lead Fronius Symo

Data