Fault
1 Devices that report this codeHVAC-HEAT-NOWORK
Electric heating tube does not work.
HVAC-HEAT-NOWORKElectric heating tube does not work.Fault
Cause
Water temperature set too low (no heating required), loose circuit connection, or electric heating tube burnout.
Recommended fix
Check outlet temperature and heating set point; tighten circuit connector; replace burnt-out heating tube.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.