How do I clear or fix error E11?

Power down the inverter, wait 5 minutes for capacitors to discharge, then restart. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

E11

Felicity inverter error E11

Inv DCI Over

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

E-CHO-SI3KS2

InverterFault

Also applies to:E-CHO-SI5KS2E-CHO-SI8KS2

What it means

Inv DCI Over — Inverter DC injection current over the allowed limit.

Cause: The DC component of the inverter's AC output current exceeded the allowed injection limit. Excess DC offset in the output usually indicates drifting current measurement or power-stage asymmetry.

How to fix it

Power down the inverter, wait 5 minutes for capacitors to discharge, then restart.
If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

Source: E-CHO-SI3KS2-Operation-Manual.pdf, p.16 · E-CHO-SI5KS2-Operation-Manual.pdf · E-CHO-SI8KS2-Operation-Manual.pdf

Frequently asked questions

What does error E11 mean on a Felicity inverter?: E11 means: Inv DCI Over. The DC component of the inverter's AC output current exceeded the allowed injection limit. Excess DC offset in the output usually indicates drifting current measurement or power-stage asymmetry.
Is error E11 a fault or a warning?: E11 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error E11?: Power down the inverter, wait 5 minutes for capacitors to discharge, then restart. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

Related error codes

Other codes on the E-CHO-SI3KS2

All E-CHO-SI3KS2 codes All E-CHO-SI5KS2 codes All E-CHO-SI8KS2 codes

Prefer the full written guide? Read the complete Felicity inverter error-code guide

Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.