Is error HVAC-COOL-POOR a fault or a warning?

HVAC-COOL-POOR is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.

HVAC-COOL-POOR

Felicity ESS error HVAC-COOL-POOR

Poor cooling effect

Fault — the 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

Poor cooling effect

Cause: Insufficient refrigerant; insufficient water flow; serious dust accumulation in condenser; refrigeration system clogged.

How to fix it

Replenish refrigerant; clean water filter and check water pump; clean condenser; check or replace filter drier.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error HVAC-COOL-POOR mean on a Felicity ESS?: HVAC-COOL-POOR means: Poor cooling effect. Insufficient refrigerant; insufficient water flow; serious dust accumulation in condenser; refrigeration system clogged.
Is error HVAC-COOL-POOR a fault or a warning?: HVAC-COOL-POOR 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-COOL-POOR?: Replenish refrigerant; clean water filter and check water pump; clean condenser; check or replace filter drier.

Related error codes

Other codes on the FLS-ES232LC-S

All FLS-ES232LC-S 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.