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SYMPTOM
1.
PUMP WILL NOT START
2.
REPEATED TRIPPING
3.
PUMP WILL NOT SHUT
OFF
4.
LOW FLOW
5.
WATER IN OIL CHAMBER
6.
WATER
INSIDE
MOTOR
CASING
IF SYMPTOMS CONTINUE, CONSULT THE LIBERTY PUMPS PRODUCT SERVICE DEPT.
TROUBLESHOOTING CHART: LSG200
POSSIBLE CAUSE
A.
Power supply failure
B.
Burned out fuse or tripped circuit
breaker
C.
Damaged power cable
D.
Jammed impeller
E.
Water inside motor
A.
Circuit protection under-rated
B.
Current unbalance
C.
Pump
voltage
D.
Wet or damaged wiring
E.
Obstruction in pump
F.
Incorrect motor rotation
G.
Foreign matter build-up
A.
Control panel failure
B. Switch Failure
A.
Incorrect pump rotation
B.
Low liquid level
C.
Obstruction in pump or piping
D.
Partially closed valve(s)
A.
Loose or damaged oil plug
A.
Damaged
mechanical seal
B.
Damaged
chamber and motor plate
C.
Damaged cable
©Copyright 2010 Liberty Pumps Inc. All rights reserved
connected
to
incorrect
lower
lip
seal
or
O-Ring
between
oil
ACTION
A.
Check power supply
Check out electrical system for
loose connections
Check operating voltage
B.
Check circuit protectors
C.
Check external cable for damage
– repair
D.
Inspect and remove jamming
object
E.
Refer to Symptom 5 and 6
A.
Check rating and replace with
proper size
B.
Check current draw
C.
Verify connections.
diagram
D.
Inspect external cable, replace if
worn or damaged
E.
Remove obstruction
F.
Check rotation
A.
Clean motor housing
B.
Check control panel
C.
B. Replace the switch
A.
Check rotation
B.
Check liquid level
C.
Remove obstruction
D.
Check and adjust valve
A.
Check plug and sealing washer
A.
Replace seal
B.
Replace O-Ring
C.
Replace cable
See wiring
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