Troubleshooting Checklist - Water Ace R520C-T7 Manual De Instalación

TROUBLESHOOTING CHECKLIST

PROBLEM
Pump will not prime.
Pump delivers water for a period
of time, then stops pumping.
Pump does not deliver rated
capacity.
Motor overheats and shuts off
(overload).
Pump delivers water but will not
shut off.
Pressure switch turns on and off
every few seconds.
Motor fails or does not
operate properly.
23833A203
(CAUTION: SHUT OFF POWER TO PUMP)
• Not enough water. Stop motor, remove pressure gauge plug, and fill case with water.
• Pump wired incorrectly.
• Plugged venturi tube or nozzle.
• Foot valve is sitting in sand or mud, or is stuck shut, or leaks.
• Low well water level. In deep wells, the ejector as well as the foot valve must be below water level.
• Leaks. Check all connections for airtightness.
• Low well water level. Use a water-level tester while pump is operating.
• Plugged venturi tube, nozzle, or impeller parts.
• Plugged venturi or nozzle.
• Faulty pressure gauge resulting in false readings.
• In deep wells, the operating pressure may be too high.
• Low well water level. Use a water-level tester while pump is operating.
• Oversubmergence of ejector. In deep wells, if ejector is more than 10 feet below pumping level,
pumping capacity is reduced.
• In deep wells, the ejector may have improper size and depth setting.
• Motor voltage does not match power supply voltage. See pages 2 and 3.
• Improper wire size. See Wire Size Guide on page 2.
• Impeller is rubbing against pump case.
• Impeller neck is worn.
• Defective pressure switch.
• The tube connecting the two brass fittings may be clogged.
• Tank precharge pressure too high. Tank precharge pressure must be 1-2 pounds less than switch turn-
on setting.
• In deep wells, the water level may be going below limit of ejector. Use water-level tester while pump
is operating.
• Galvanized storage tank is waterlogged.
• Leaky foot valve.
• Too much tank pressure.
• If within Warranty, return pump/motor unit to place of purchase (with proof of purchase) for exchange.
POSSIBLE CAUSES
8