WaterLogic WL400 Series, Manual

Page: 73 / 84

WL400 Manual Page 73 – Revision: 10-23-2019
7. Dispenses Hot and Cold Water at the Same Time
Possible Reason Solution
Hot or Cold solenoid is stuck
open.
Remove Top cover.
Check Hot Solenoid: Dispense cold water and visually inspect tubing
for water flow from both tanks.
Check Cold Solenoid: Disconnect elbow from outlet of cold solenoid.
Select hot water and dispense (quickly releasing dispensing button
to avoid much water coming out of cold solenoid.
Replace solenoid as necessary.
8.
No Cold Water Available
Possible Reason Solution
Closed Water Supply Valve Open the Water Supply Valve
Cold Water Solenoid Valve
malfunction
Inspect the valve components for proper functionality.
Green Heater and Compressor
Switch on unit is off.
Turn Green Heater and Compressor Switch on.
I = ON
Loose connection(s) on the
Display PCB
Turn power off; unplug the unit and visually inspect solenoid
connections into the Display PCB. Verify the soldering points on
connections are secure into the board.
Remove the PCB to inspect the front of the board.
Exhausted Filter Replace filters as needed.