23833A245
6
TROUBLE CHECK LIST
CONDITION
Pump does not run or start when
water is up in tank.
Pump runs but does not deliver flow
PROBABLE CAUSE
1. Check for blown fuse or tripped circuit breaker.
2. Check for defective level switch.
3. Where control panel is used be sure H-O-A switch is in the
AUTO position. If it does not run, turn switch to the HAND
position and if the pump runs then the trouble is in the auto-
matic electrical system. have ELECTRICIAN make electrical
checks.
4. Check for burned out motor. Occasionally lightning can dam-
age a motor even with lightning protection.
5. Where plug-in cords are used be sure contact blades are
clean and making good contact. DO NOT USE PLUG-IN
CORDS INSIDE A SUMP OR WET WELL.
6. Level control ball or weight may be stuck on side of basin. Be
sure it floats freely.
1. Check for air lock. Start and stop pump several times, if this
does not help it may be necessary to loosen a union in the
discharge line to relieve air lock.
2. Check valve may be installed backwards. Check flow arrow
on valve body. Check shut-off valve. It may be closed.
3. Check vertical elevation. It may be higher than pump can
develop. (see pump curve)
4. Pump inlet may be plugged. Remove pump to check.
CAUTION: ALWAYS UNPLUG POWER CORDS OR TURN OFF ALL MAIN AND BRANCH CIRCUIT BREAK-
ERS BEFORE DOING ANY WORK ON THE PUMP. If control panel is remote from pump, disconnect lead
wires to motor so that no one can turn the circuit breaker back on.
