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WL250

 Manual 

                                                      Page 58 ‐ Revision: 12‐12‐2018 

 

3.

 

Steady Drip Out of Faucet 

 

Possible Reason 

Solution 

Debris in Solenoid 

Inspect Solenoid for debris and clean out as needed. 

 

4.

 

Irregular / Intermittent Dispensing 

 

Possible Reason 

Solution 

Too much water pressure.  
Recommend 40 to 60 psi for 

WL250

 

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. 

Loose or bad connection on 
the Front Dispensing PCB 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. 

 

5.

 

Small Amount of Water Periodically Dispenses from Faucet Automatically 

 

Possible Reason 

Solution 

Cold or Hot Water Solenoid 
Valve malfunction` 

Inspect valve components for proper function.  Replace as 
necessary. 

Obstruction in Solenoid 
housing is preventing proper 
sealing of component 

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 contaminate(s). 

Summary of Contents for WL250

Page 1: ...ice Flow is 1 89 Liters 0 5 gallons per Minute 7 Hot Water Intermittently Forced Through the Faucet or a Dual Stream Out of the Faucet 8 Hot Water coming out of both the Faucet and the Vent Hole 9 Hot...

Page 2: ...thod 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...

Page 3: ...the water supply valve The unit is not properly plugged into electrical outlet Check electrical outlet connection or for blown circuit breaker Red Heater and Compressor Switch on unit is in the off p...

Page 4: ...nt Dispensing PCB 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 Di...

Page 5: ...feed line Filters Filters with high pressure drop due to fouling or just by design Change filters more frequently or go to higher micron size filter for local water conditions Restrictions Flow path...

Page 6: ...without water pressure to the unit Listen for solenoid to activate not button click Adjust water pressure to 40 60 psi Improper tubing attachment from the tank to faucet or vice versa Verify tubing is...

Page 7: ...aucet The hot tank outlet tube has a restrictor in its base This ensures the reservoir is always full by allowing more water in than out There is a small hole in the side of the tank outlet tube that...

Page 8: ...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 Hot or Cold solenoi...

Page 9: ...lity Red Heater and Compressor Switch on unit is off Turn Red Heater and Compressor Switch on I ON Loose connection s on the Display PCB Turn power off unplug the unit and visually inspect solenoid co...

Page 10: ...has an outlet restrictor to ensure the tanks remain full of water and water is controlled as it is released to the faucet The inlet solenoid controls flow into the tanks The tanks will depressurize o...

Page 11: ...EEL TANK DESCALING The Hot Tank is made from stainless steel Ensure descaling solution is compatible with stainless and always flush the unit completely Dispose in an environmentally safe manner Mater...

Page 12: ...e WL250 Water Treatment System produces Hot Water up to 87 C 188 F Water above 52 C 125 F can cause severe burns or scalding Hot water should be dispensed carefully into insulated container to avoid i...

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