HVAC-COMP-NOWORKFault

Felicity ESS error HVAC-COMP-NOWORK

Compressor does not work

Faultthe ESS unit enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.

FLS-ES232LC-S

Energy storage systemFault

What it means

Compressor does not work

Cause: Water temperature set too high (no cooling required) or shutdown delay (compressor minimum shutdown time).

How to fix it

  1. Check inlet/outlet temperature display and reset control temperature.
  2. The compressor will restart with delay if temperature rises again.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error HVAC-COMP-NOWORK mean on a Felicity ESS?
HVAC-COMP-NOWORK means: Compressor does not work. Water temperature set too high (no cooling required) or shutdown delay (compressor minimum shutdown time).
Is error HVAC-COMP-NOWORK a fault or a warning?
HVAC-COMP-NOWORK is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error HVAC-COMP-NOWORK?
Check inlet/outlet temperature display and reset control temperature. The compressor will restart with delay if temperature rises again.

Related error 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.