Troubleshooting - Whitehall Best-Care Corterra WH3776 Installation, Operation And Maintenance Manual

Instructions for Operation and Care of Best-Care WH3776
TROUBLESHOOTING FOR OPTIONAL PUSHBUTTON OPERATED VALVES
Normal Valve Function: Pushbutton Operated Valve has an adjustable flow time from
5 to 60 seconds.
CONDITION: WATER DOES NOT FLOW
Water main closed
Checkstops closed
Debris or scale in Checkstop Strainer
Air leaks from 1/8" O.D. Tubing or Fittings
Pushbutton Air Diaphragm leaks
Servomotor Diaphragm center hole is blocked
Servomotor Upper Diaphragm is damaged
Low or no water pressure at supplies
CONDITION: WATER DRIPS, WON'T SHUT OFF
Servomotor Diaphragm offset hole is blocked
Servomotor Seat is damaged
Servomotor Plate or Diaphragm is obstructed
Servomotor Timer Assembly is damaged
CONDITION: REDUCED WATER FLOW
Valve Riser Tubing is crimped
Debris or scale in Checkstop Strainer
Blockage in Valve Flow Control
Low water pressure at supplies
Lime deposits in hot water pipes
CONDITION: PREMATURE WATER SHUT OFF
Air leaks from 1/8" O.D. Tubing or Fittings
Pushbutton Air Diaphragm leaks
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WHITEHALL MANUFACTURING • P .O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
Phone (800) 782-7706 • (626) 968-6681 • Fax (626) 855-4862 • Web: www.whitehallmfg.com
Probable Cause
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Probable Cause
Probable Cause
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Probable Cause
Solution
Open water main
Open checkstops
Remove Checkstop Strainer and clean
Replace damaged Tubing or Fitting
Replace Pushbutton Air Diaphragm
Remove blockage
Replace Servomotor Upper Diaphragm
Increase water pressure to 30 PSI minimum
Solution
Remove blockage
Replace Servomotor seat
Remove cause of obstruction
Replace Servomotor Timer assembly
Solution
Straighten Valve Riser Tubing
Remove Checkstop Strainer and clean
Remove blockage
Increase water pressure to 30 PSI minimum
Remove lime deposits with appropriate
cleaning solution
Solution
Replace damaged Tubing or Fitting
Replace Pushbutton Air Diaphragm