Troubleshooting guide

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
2910 Burnet Ave ~ Syracuse, NY 13206 ~ [phone] ~ Fax: [phone] ~ email: sales@vdcspecialtypl umbingparts.com
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