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.
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.