Solar Lattice

Fault codes › Canadian Solar › CSI-25/30/36/40KTL-GS-FL

Canadian Solar 25-40KTL-GS-FL NO-GRID

Code
NO-GRID
Page
31
ID
fc:canadian-solar-25-40ktl-gs-fl-nogrid
IRI
https://solarlattice.org/kb/fc/canadian-solar-25-40ktl-gs-fl-nogrid
Status
active
Also known as
NO-GRID, nogrid, Canadian Solar NO-GRID
Category
Inverters
Class not stated
Production not stated
Clears not stated

Decoded

Reports grid loss; look at AC disconnection unit; confirm with grid voltage measurement; do: AC connection check, inverter replacement.

What can be behind Grid loss

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

Canadian Solar
Canadian Solar 125K-T600GL02 NO-GRID, Canadian Solar 125KTL-GS-E NO-GRID, Canadian Solar 185-255K NO-GRID, Canadian Solar 23-28KTL-CT GridF.OutLim, Canadian Solar 25-40K-T480GL01 NO-GRID, Canadian Solar 50-66K-T480GL01 NO-GRID, Canadian Solar 50-66KTL-GS-FL NO-GRID, Canadian Solar 75-100K-T480GL02 NO-GRID
Fronius
Fronius Galvo 107, Fronius Primo 107, Fronius Symo 107
Huawei
Huawei SUN2000-100KTL-USH0 2032, Huawei SUN2000-25-30KTL-US 301, Huawei SUN2000-45KTL-US-HV-D0 301
KACO new energy
KACO new energy blueplanet TL3 73
SMA
SMA SB-US-40 1302, SMA SB-US-40 202-206, SMA SB-US-41 1302, SMA SB-US-41 202, SMA SB-US-41 0203, SMA SB-US-41 206, SMA SBSE-US-50 1302, SMA SBSE-US-50 202, SMA SBSE-US-50 0203, SMA SBSE-US-50 206, SMA PEAK3-US 1302, SMA CORE1-US 801, SMA STP-TL-US 1302, SMA STP-TL-US 202-203, SMA STP-X-US 1302, SMA SC-CP-XT 0203, SMA SC-CP-XT 801, SMA SI-US F314
Solis
Solis 1P-4G-US NO-GRID, Solis 3P-5G-US NO-GRID, Solis RHI-1P-HV NO-GRID, Solis S5-GC NO-GRID, Solis S6-EH1P NO-GRID, Solis S6-EH2P NO-GRID, Solis S6-EH3P30-60K NO-GRID, Solis S6-EH3P75-150K NO-GRID, Solis S6-GC NO-GRID, Solis S6-GU NO-GRID
Sungrow
Sungrow SG-CX-US 010, Sungrow SG200HX 010, Sungrow SG250HX 10, Sungrow SG350HX 010
Yaskawa Solectria
Yaskawa Solectria SGI-XTM AC Islanding, Yaskawa Solectria SGI-XTM Wait for Grid

Same code in other families

Claims

defined_in

c1 drafted · lead CSI Manual 25-40KTL-GS-FL v1.2 2017-09-07

reports

c2 verified · fact Grid loss

verified by: review-workflowverified on: 2026-10-23

detected_by

c3 drafted · lead Grid voltage measurement

mitigated_by

c4 drafted · lead AC connection check

c6 drafted · lead Inverter replacement

Escalation when grid is present but measurement circuit is suspected.

affects

c5 drafted · lead AC disconnection unit

review note: support check: partial - Passage mentions checking the grid switch but does not state the alarm affects an AC disconnection unit.

applies_to

c7 drafted · lead CSI-25/30/36/40KTL-GS-FL

Data