How do I clear or fix error E15?

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.

E15

Felicity inverter error E15

Reserved

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-SI5KS2

What it means

Reserved — Reserved code.

Cause: This code position is reserved in the E-CHO SI fault table and is not tied to a documented fault condition. If it appears, treat it as an undefined internal protection event.

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.17 · E-CHO-SI5KS2-Operation-Manual.pdf

Frequently asked questions

What does error E15 mean on a Felicity inverter?: E15 means: Reserved. This code position is reserved in the E-CHO SI fault table and is not tied to a documented fault condition. If it appears, treat it as an undefined internal protection event.
Is error E15 a fault or a warning?: E15 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 E15?: 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

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.