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

Fronius Symo 457

Code
457
Shown as
Grid voltage relay error
Vendor severity
Class 4
ID
fc:fronius-symo-457
IRI
https://solarlattice.org/kb/fc/fronius-symo-457
Status
active
Also known as
457, Fronius 457, Grid voltage relay error
Category
Inverters
Class fault drafted · lead
Production stops drafted · lead
Clears needs service drafted · lead

Decoded

Reports switching device status fault; may indicate relay failure; look at grid tie relay, AC cable; do: AC connection check, contact manufacturer service.

What can be behind Switching device status fault

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

Fronius
Fronius Galvo 457, Fronius Primo 457
KACO new energy
KACO new energy blueplanet TL3 125
SMA
SMA SC-CP-XT 7704, SMA SC-CP-XT 7707, SMA SC-CP-XT 7708, SMA SI-US F801, SMA SI-US F809, SMA SI-US F816, SMA SI-US F817, SMA SI-US W808, SMA SI-US W815, SMA SI-US W824
Yaskawa Solectria
Yaskawa Solectria SGI-XTM Contactor Fail, Yaskawa Solectria XGI-1500-1MW CRIT-5, Yaskawa Solectria XGI-1500 CRIT-5, Yaskawa Solectria XGI-1500-DCG CRIT-5

Same code in other families

Claims

defined_in

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

reports

c2 drafted · lead Switching device status fault

review note: support check: partial - Grid relay error/stuck is stated, which roughly matches a switching device fault, but the symptom wording is not explicit.

indicates

c3 drafted · lead Relay failure

affects

c4 drafted · lead Grid tie relay

c5 drafted · lead AC cable

review note: support check: partial - Only u7 has the remedy to check the AC cable; it does not clearly say the AC cable is affected,…

mitigated_by

c6 drafted · lead AC connection check

c7 drafted · lead Contact manufacturer service

has_event_class

c8 drafted · lead Fault (device stops or needs intervention)

has_production_effect

c9 drafted · lead Trip (production stops)

has_recovery

c10 drafted · lead Service required

Symo manual first suggests checking the AC cable, then service if persisting.

applies_to

c11 drafted · lead Fronius Symo

Data