TROUBLE SHOOTING
MOTOR WILL NOT START
• Improper or loose wiring connections; open switches or relays; tripped circuit breakers,
GFCI’s, or blown fuses.
• Manually check rotation of motor shaft for free movement and lack of obstruction.
• If you have a timer, make sure it is working properly. Bypass it if necessa.
MOTOR SHUTS OFF
MOTOR HUMS BUT DOES NOT START
• Undersized wiring; loose connections; etc.
• Low voltage at motor or power drop (frequently caused by undersized wiring or extension cord use).
• Mechanical binding and electrical overload.
• Centrifugal switch stuck in the OPEN position.
• Binding of the motor shaft.
PUMP WON’T PRIME
•Make sure pump strainer housing is lled with water and the cover O-ring is clean; also, be sure it is
properly seated in the cover O-ring groove. Make sure the strainer cover is locked rmly in position
and lubricated with “Jack’s 327”.
• Make sure all suction and discharge valves are fully open and not blocked, that the pool water level
is at a proper level and that the skimmer weir is not hung up or stuck on the skimmer wall.
• Block o to determine if the pump will develop a vacuum. You should have 5”-6” of vacuum at the
strainer cover. You may be able to check by removing the skimmer basket and holding your hand over
the bottom po with the skimmer full and pump running. If no suction is felt, check for line blockage.
• a. If pump develops a vacuum, check for a blocked suction line or diy strainer basket, and an air
leak in the suction piping may be the cause.
• b. If the pump does not develop a vacuum and the pump has sucient “priming water”: i. Re-check
strainer housing cover and all threaded connections for suction leaks. Check if all hose clamps are
tight. ii. Check voltage to ensure that the motor is rotating at full RPM. iii. Open housing cover and
check clogging or obstruction in suction. Check impeller for debris. iv. Remove and replace shaft seal
only if it is leaking.
07
PRIMING
Fill strainer housing with water to suction pipe level. If water leakage occurs anywhere on the pump or
lter, DO NOT sta the pump. If no leakage occurs, stand at least 10 feet from the pump and/or lter
and proceed with staing the pump.
