Solar Lattice

Fault codes › ABB / FIMER › FIMER PVS-60-TL-US

ABB / FIMER PVS-60-TL W002

Code: W002
Shown as: Input UV
Vendor severity: Warning
Page: 151
ID: fc:abb-pvs-60-tl-us-w2
IRI: https://solarlattice.org/kb/fc/abb-pvs-60-tl-us-w2
Status: active
Also known as: W002, w2, ABB / FIMER W002, Input UV
Category: Inverters

Class warning drafted · lead

Production not stated

Clears not stated

Decoded

Reports insufficient solar irradiance, DC undervoltage; look at PV array; confirm with DC voltage measurement; do: string configuration correction.

What can be behind Insufficient solar irradiance

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

What can be behind DC undervoltage

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

Defined in

FIMER PVS-60-TL-US Product Manual RevB — ABB / FIMER · page 151 drafted · lead
- tbl=42.r8 h=44d5f8dc6501

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

Same code in other families

Claims

`defined_in`

c1 drafted · lead FIMER PVS-60-TL-US Product Manual RevB

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501

`has_event_class`

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

from the code prefix

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501

`reports`

c3 drafted · lead Insufficient solar irradiance

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501
FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB tbl=33.r7 h=ed85ff32322f
UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA tbl=49.r7 h=7e047f719311
UNO-DM-6.0-TL-PLUS-US Product Manual RevA tbl=44.r7 h=7e047f719311
FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG tbl=35.r8 h=397eafc39e02

c4 drafted · lead DC undervoltage

Low PV input voltage at switch-off

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501
FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB tbl=33.r7 h=ed85ff32322f
UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA tbl=49.r7 h=7e047f719311
UNO-DM-6.0-TL-PLUS-US Product Manual RevA tbl=44.r7 h=7e047f719311
FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG tbl=35.r8 h=397eafc39e02

`affects`

c5 verified · fact PV array

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501
FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB tbl=33.r7 h=ed85ff32322f
UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA tbl=49.r7 h=7e047f719311
UNO-DM-6.0-TL-PLUS-US Product Manual RevA tbl=44.r7 h=7e047f719311
FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG tbl=35.r8 h=397eafc39e02

verified by: review-workflowverified on: 2026-10-23review note: support check: partial - Cause cites incorrect PV generator configuration, but no explicit statement that the code affects the PV array component.

`detected_by`

c6 drafted · lead DC voltage measurement

Compare input voltage against Vstart

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501
FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB tbl=33.r7 h=ed85ff32322f
UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA tbl=49.r7 h=7e047f719311
UNO-DM-6.0-TL-PLUS-US Product Manual RevA tbl=44.r7 h=7e047f719311
FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG tbl=35.r8 h=397eafc39e02

`mitigated_by`

c7 drafted · lead String configuration correction

If input stays below Vstart; if above Vstart, contact service

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501
FIMER UNO-DM-6.0-TL-PLUS-US-Q Product Manual RevB tbl=33.r7 h=ed85ff32322f
UNO-DM-3.3-5.0-TL-PLUS-US Product Manual RevA tbl=49.r7 h=7e047f719311
UNO-DM-6.0-TL-PLUS-US Product Manual RevA tbl=44.r7 h=7e047f719311
FIMER TRIO-20.0-27.6-TL-OUTD Product Manual RevG tbl=35.r8 h=397eafc39e02

review note: support check: partial - Check of correct system composition is stated, but string configuration correction is not explicit.

`applies_to`

c8 drafted · lead FIMER PVS-60-TL-US string inverter

FIMER PVS-60-TL-US Product Manual RevB tbl=42.r8 h=44d5f8dc6501

Data