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CLP
OPERATOR’S MANUAL
93
#96-6294 • Revised 7/04
PROBLEM
POSSIBLE CAUSE
SOLUTION
MOTOR WILL
NOT RUN
Disconnect switch is "OFF"
Be sure switch is on.
Breaker is tripped
Reset breaker.
Starting switch is defective
Replace starting switch.
Wires at motor are loose,
disconnected or wired incorrectly
Refer to instructions on wiring. Check and
tighten all wiring.
Pressure switch contacts are dirty
(Transfer Pump)
Clean by sliding piece of plain paper (or crocus
cloth) between contacts.
MOTOR RUNS HOT
AND OVERLOAD
KICKS OFF
Motor is wired incorrectly
Refer to instructions on wiring.
Voltage is too low
Check with power company. Install heavier
wiring if wire size is too small. See wiring
instructions.
Pump cycles too frequently
See section on Pump Cycles Continually on
previous page
Defective float switch
Disconnect switch, check with ohmmeter.
MOTOR RUNS BUT
NO WATER IS
DELIVERED
Pump in a new installation did not
pick up prime through:
a. Improper priming
a. Re-prime (3 or 4 times may be needed) by
stopping and starting motor several times.
b. Air leaks
b. Check all connections on suction line.
c. Leaking check valve
(Transfer Pump)
c. Clean and/or replace check valve.
Pump has lost its prime through:
a. Air leaks
a. Check all connections on suction line, air
volume control, jet and shaft seal.
b. Water level below suction of
pump
b. Lower suction line into water and re-prime.
Jet or impeller is plugged
Clean jet or impeller, see Maintenance.
Check valve is stuck in closed
position
Replace check valve.
Pipes are frozen
Thaw pipes. Bury pipes below frost line. Heat
pipes below frost line. Heat pit or pump house.
TROUBLESHOOTING - PUMP MOTOR