7
then back to On position. If
breaker trips again in few
seconds, it indicates excessive
load probably caused by a
short in the motor or control
box. Check out instructions
given with control box before
pulling pump.
2. If this condition happens after
an electrical storm, motor or
control box may be damaged
by lightning.
3. Resistance reading of the
motor with lead wires
disconnected from the control
box can determine if trouble is
in motor or control box.
Pump is noisy and pump rate
is low.
Impeller may be partially clogged
with some foreign objects, causing
noise and overload on the motor.
Grease and solids have
accumulated around pump and
will not pump out of basin.
1. Lower control switch may be
set too high.
2. Run pump on Hand operation
for several minutes with small
amount of water running into
basin to clean out solids and
grease. This allows pump to
break suction and surge which
will break up the solids. If
level switch is set properly,
this condition generally will
not occur.
3. Trash and grease may have
accumulated around floats,
causing pump to operate
erratically.
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