Solar Lattice

Fault codes › ABB / FIMER › FIMER PVS-166/175-TL-US

ABB / FIMER PVS-166-175-TL W021

Code
W021
Shown as
P-reduction Star t
Vendor severity
Warning
Page
138
ID
fc:abb-pvs-166-175-tl-us-w21
IRI
https://solarlattice.org/kb/fc/abb-pvs-166-175-tl-us-w21
Status
active
Also known as
W021, w21, ABB / FIMER W021, P-reduction Star t
Category
Inverters
Class warning drafted · lead
Production reduced drafted · lead
Clears not stated

Decoded

Reports inverter power derating.

What can be behind Inverter power derating

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-60-TL W021
Fronius
Fronius Galvo 517, Fronius Galvo 766, Fronius Primo 517, Fronius Primo 766, Fronius Symo 517, Fronius Symo 572, Fronius Symo 766
KACO new energy
KACO new energy blueplanet TL3 11, KACO new energy blueplanet TL3 129, KACO new energy blueplanet TL3 20, KACO new energy blueplanet TL3 64
SMA
SMA SB-US-41 8006, SMA CORE1-US 10502, SMA STP-TL-US 8001, SMA SI-US W137, SMA SI-US W138, SMA SI-US W139, SMA SI-US W140
Yaskawa Solectria
Yaskawa Solectria SGI-XTM Current Limit, Yaskawa Solectria SGI-XTM Power Derated

Same code in other families

Claims

defined_in

c1 drafted · lead FIMER PVS-166-175-TL-US A.2 Product Manual RevE

has_event_class

c2 drafted · lead Warning (device continues, a condition is flagged)

from the code prefix

reports

c3 drafted · lead Inverter power derating

Start of one of several power limitations, e.g. user, grid, or temperature

review note: support check: partial - Power reduction activation and causes like user settings, grid, temperature are stated, but nothing says the symptom is derating beyond…

has_production_effect

c4 drafted · lead Derate (output reduced or limited)

No reduced-output value stated

applies_to

c5 drafted · lead FIMER PVS-166/175-TL-US string inverter

Data