WaterLogic WL4FW FIREWALL Fault Finding page 22

Cold Water Dispenses from Faucet and Vent Outlet Simultaneously
Possible Reason
Improper tubing attachment
from the tank to faucet or vice
versa
Scale has formed inside cold
tank outlet tube.
Expansion chamber in Cold
Tank is not sealed properly.
Small Amount of Water Periodically Dispenses from Faucet Automatically
Possible Reason
Cold or Hot Water solenoid
valve malfunction
Obstruction in solenoid
housing is preventing proper
sealing of component.
Dispense Buttons Stick
Possible Reason
Dirt or Foreign material is
filling the gap around the
push-buttons.
WL4FW Fault Finding
Verify tubing is connected properly from tank outlets to correct
faucet attachments.
Remove cold water outlet tube from tank to faucet. Pour some
scale remover into cold tank.
Replace Cold Tank.
Inspect valve components for proper function. Replace as
necessary.
Pre-determine whether water being dispensed is hot / cold.
Isolate the water supply; push the DISPENSE button to release the
line pressure, and remove the coil affixed to the solenoid stem.
Remove the stem from the solenoid housing and allow water from
the tank to flush out the contaminant(s).
Inspect the push buttons and clean surrounding area. Inspect faucet
assembly inside the unit and clean as necessary.
Solution
Solution
Solution
Page 22 – Revision: EU27-11-2017