Compressor does not work
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.
Compressor does not work
Cause: Water temperature set too high (no cooling required) or shutdown delay (compressor minimum shutdown time).
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf
HVAC-COMP-NOWORK means: Compressor does not work. Water temperature set too high (no cooling required) or shutdown delay (compressor minimum shutdown time).
HVAC-COMP-NOWORK is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
Check inlet/outlet temperature display and reset control temperature. The compressor will restart with delay if temperature rises again.
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.