WL350 Operating, Installation, and Service Manual Page 57 – Revision 8-30-2016
Irregular / Intermittent Dispensing from One Side
Possible Reason
Solution
Too much water pressure.
Recommend 40 to 60 psi for
the WL350 Water Treatment
System to operate properly.
Check water pressure at the inlet bulkhead with a water pressure
gauge.
Additional method of verification is to turn off water to unit and
press the dispense button. Does the solenoid open without
water pressure to the unit? Listen for solenoid to activate, not
button “click”.
Adjust water pressure to 40-60 psi. The correct input water
pressure is critical to the performance of the unit to allow
solenoids to open.
Loose or bad connection on
the Front Dispensing PCGB or
Solenoid Connector
Check that they are connected properly and tightened.
Solenoid
If both the Water Pressure and PCB have been ruled out, then it is
the Solenoid.
Replace Solenoid.
Dispensing button is broken on
PCB
Check PCB for loose or damaged button. Replace PCB as
necessary.
Hot Water Intermittently Forced Out Through the Faucet, or a Dual Stream Out of
the Faucet
Possible Reason
Solution
Mineral deposits on the
expansion slot inside the hot
tank vent chamber which
blocks the normal path of
water to expand.
Descale Hot Tank
See Hot Tank Descaling Instructions that are included further
below in this Troubleshooting Section.
