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CHALLENGER
®
Centrifugal Pump Installation and User’s Guide
TROUBLESHOOTING
Use the following troubleshooting information to resolve possible Challenger
®
Centrifugal Pump problems.
RISK OF ELECTRICAL SHOCK OR ELECTROCUTION.
Improper installation will create an electrical hazard which could result in death or serious
injury to pool users, installers, or others due to electrical shock, and may also cause damage
to property.
1. If you are not familiar with your pool filtering system and/or heater:
a. DO NOT attempt to adjust or service without consulting your dealer, or a qualified
pool professional.
b. Read the entire Installation & User’s Guide before attempting to use, service or
adjust the pool filtering system or heater.
2. SWITCH OFF power to the pump at the breaker before attempting service or repair.
Problems and Corrective Actions
Problem Cause Remedy
Pump will not prime 1. No water in strainer pot. Add water to pot.
2. Strainer pot lid is not tight. Tighten lid.
3. Damaged lid o-ring. Replace o-ring.
4. Water level is below skimmer. Adjust pool water level.
5. Strainer basket or skimmer basket is clogged. Clear basket.
6. Closed valve in piping system. Check all valves and open all
necessary valves.
7. Pump is on low speed (two speed units only). Adjust to high speed.
8. Air leak in suction line. Find & fix leak.
Low Flow-High Filter Pressure 1. Filter is dirty. Clean filter.
2. Restriction in return line. Open return line restriction.
Low Flow-Low Filter Pressure 1. Strainer basket or skimmer basket is clogged. Clean basket.
2. Clogged impeller. Clean obstruction.
3. Air leak in suction line. Find & fix leak.
4. Restriction in suction line. Find and open restriction.
Motor does not turn 1. Power switch is off. Check power switch & reset.
2. Circuit breaker has tripped. Check circuit breaker & reset, if
re-trips, contact electrician.
3. Pump is in “Off-mode” on a timer controlled circuit. Check timer mode.
4. Motor terminal connections are incorrect. Have terminal connections checked
by electrician.
5. Motor shaft is locked by bad bearing. Have motor bearings replaced or
replace pump.
6. Impeller is locked by debris. Clean impeller.
Motor Over-Heating 1. Electrical supply connections are incorrect. Have terminal connections checked
by electrician.
2. Wiring to pump is undersized. Consult electrician to rewire pump.
3. Power Company supply voltage is low. Notify Power Company.
4. Ventilation is inadequate for motor. Remove any restrictions to air flow.
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