WL350 Operating, Installation, and Service Manual Page 61 – Revision 8-30-2016
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.
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.
Red Heater & Compressor
Switch on unit is off.
If water is dispensing at room temperature:
Turn Red Heater & Compressor Switch on.
I =ON
Loose connection(s) on the
Display PCB
Turn power off; unplug the WL350 Water Treatment System 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.
Water Pressure is too high
Ensure input water pressure is between 40-60 psi; Install pressure
reducer or regulator.
The correct input water pressure is critical to the performance of the
unit to allow solenoids to open.
