Solar Lattice

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

Fronius Symo 307

Code
307
Vendor severity
Class 3
ID
fc:fronius-symo-307
IRI
https://solarlattice.org/kb/fc/fronius-symo-307
Status
active
Also known as
307, Fronius 307
Category
Inverters
Class informational drafted · lead
Production not stated
Clears by itself drafted · lead

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 522, Fronius Symo 523
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

has_event_class

c3 drafted · lead Informational (status or configuration message)

Appears naturally at dawn and dusk from low irradiance; manual states it is not a fault.

has_recovery

c4 drafted · lead Auto-reset (clears by itself)

Resumes automatically; installer only if it recurs with sufficient irradiance.

review note: support check: partial - The passages say 307 appears naturally and Class 3 codes resume automatically, but no row gives the installer note for…

applies_to

c5 drafted · lead Fronius Symo

Data