This water dispenser brand is Winix, actually customer used more than 18 month’s didn’t change filters cartridge and servicing. Take a look this machine more than 18 months what happening.
4 element filters cartridge brand Korea.
This cap alignment is very dirty.
And the storage tank many dust and particles.
Let me doing for clean everything. For 1st, cleaning the cap alignment and float ball valve.
Germ killing and washing of the steel tank.
Put in back the cap alignment.
Replace the new filters cartridge for Winix water dispenser. This was specially the filter cartridge brand Dollton UF Membrane 0.01 micron filteration.