How do I clear or fix error E14?

This requires service — the relay assembly is not user-replaceable. Record the exact fault code and contact your installer or the manufacturer's service line.

E14

Felicity inverter error E14

AC Relay Fault

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

AC Relay Fault — AC relay fault detected.

Cause: A safety relay inside the inverter has failed self-test or is stuck. The inverter is designed to refuse grid connection in this state, so this is not an issue you can clear with restart cycles.

How to fix it

This requires service — the relay assembly is not user-replaceable.
Record the exact fault code and contact your installer or the manufacturer's service line.
Do not bypass any safety interlock.

Source: E-CHO-SI3KS2-Operation-Manual.pdf, p.17 · E-CHO-SI5KS2-Operation-Manual.pdf · E-CHO-SI8KS2-Operation-Manual.pdf

Frequently asked questions

What does error E14 mean on a Felicity inverter?: E14 means: AC Relay Fault. A safety relay inside the inverter has failed self-test or is stuck. The inverter is designed to refuse grid connection in this state, so this is not an issue you can clear with restart cycles.
Is error E14 a fault or a warning?: E14 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 E14?: This requires service — the relay assembly is not user-replaceable. Record the exact fault 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.