Troubleshooting guide

Bradley Corporation • 215-1370 Rev. M; EN 08-003 67
1/7/08
Air Valve Troubleshooting
Problem: Valve will not shut off.
Cause: Timing mechanism is clogged.
Solution: Clean and inspect timing mechanism:
1. If compressed air is available, blow water and debris from perforated metal sleeve of timing
mechanism.
2. Turn adjusting screw in all the way but do not force screw.
3. Turn adjusting screw out to desired cycle time.
Problem: Valve will not turn on.
Cause: Water is not being supplied to unit.
Solution: Open all stops on mixing valve.
Problem: Timing can not be adjusted for more than 5 seconds.
Cause: There is an air leak
Solution: Check the valve assembly:
1. Check all tubing and fittings for proper assembly.
2. Tighten all screws which hold valve together.
Problem: Push button does not work properly.
Cause: Air volume may not be sufficient to operate valve.
Solution: Check for leaks and lubricate U-cup:
1. Check all fittings for air leaks.
2. Disassemble pushbutton and lubricate U-cup seal.
Problem: Water is dripping from the aerator.
Cause: Debris has accumulated on valve seat or orifices.
Solution: Clean and inspect valve seat.
1. Remove screws and disassemble metering valve.
2. Clean valve seat and inspect for deep gouges or scratches. Replace if necessary.
3. Remove all debris that may be clogging center hole of plastic diaphragm assembly.
4. Remove any debris clogging off-center hole in rubber diaphragm.
Parts and Service Guide Bradley Washfountains