Pentair INTELLIFLO VS-3050 - Manual (Page 26)

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Problems and Corrective Action (Continued)
Problem Possible Cause Corrective Action
Circuit breaker trips
repeatedly.
Refer to Alarm and
warning LED
sequence .
Excessive motor current.
GFCI fault.
Breaker must be of adequate
capacity. For GFCI breaker,
test according to GFCI manu-
facturer’s instructions.
Be sure no other lights and ap-
pliances are on circuit. Voltage
too high or too low.
Electrical problem.
Refer to Alarm and
warning LED
sequence.
Pump may be too hot. Check line voltage; if less
than 90% or more than 110%
of rated voltage consult a
licensed electrician.
Increase ventilation.
Reduce ambient temperature.
Tighten any loose wiring con-
nections.
Motor internal terminal over-
load protector is open.
Motor runs too hot. Turn power
to motor off.
Check for proper voltage.
Check for proper impeller or
impeller rubbing.
Mechanical Troubles
and Noise.
The pump motor is running but with loud noise.
Cavitation.
If suction and discharge pip-
ing are not adequately sup-
ported, pump assembly will be
strained. Do not mount pump
on a wooden platform! Secure-
ly mount on concrete platform
for quietest performance. For-
eign matter (gravel, metal, etc.)
in pump impeller. Disassemble
pump, clean impeller, follow
pump service instructions for
reassembly.
Improve suction conditions.
Increase pipe size. Decrease
number of fittings. Increase
discharge pressure.
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