What it means
Abnormal noise of fan
Cause: Worn fan bearings or fan blades scrape against other objects.
How to fix it
- Replace the fan.
- Check whether any cables interfere with the fan blades.
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf
Abnormal noise of fan
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.
Abnormal noise of fan
Cause: Worn fan bearings or fan blades scrape against other objects.
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf
HVAC-FAN-NOISE means: Abnormal noise of fan. Worn fan bearings or fan blades scrape against other objects.
HVAC-FAN-NOISE is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
Replace the fan. Check whether any cables interfere with the fan blades.
HVAC-FAN-NOISE is in the "Fault" class on the FLS-ES232LC-S: 65 of the 140 codes documented for it.
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.