Pentair INTELLIBOOST MIB0715B Manuel D'utilisation page 10

Quick Troubleshooting Guide - Pump
Problem
Water leaks from
tank air valve when
checking air pressure
Pump does not start
Pump starts, runs a
short time, stops
Pump starts, no water
pumped
Pump performance
reduced
Pump performance
unstable
Cause
Tank diaphragm is
damaged
No power
Tripped CB or blown
fuse
Motor overload has
tripped
Motor damaged
Faulty control device
High amp draw
Thermal overload
tripped
Damaged power cable
Motor damaged
Dry running
No water to inlet
Outlet shutoff closed
Low inlet water
pressure
Set point low
Low suction pressure/
cavitation
Differential pressure in
pump too low
Fix
Replace the tank
Check/repair loose or defective electrical
connections,damaged power cable; check
power supply voltage.
Reset CB or replace fuse.
Check/repair cables and connections,
pump clogged; clean it.
Replace VFD System.
Replace VFD System.
Pump partially clogged; clean out/repair
pump.
Check/correct circuit breakers/fuses.
Replace cable.
Replace VFD System.
Replace VFD System.
Check/repair water supply, open inlet
shutoff valve.
Open outlet shutoff.
Check/repair water supply, open inlet
shutoff valve.
Adjust set point.
Check/repair/clean out water supply, open
inlet shutoff valve. Repair any leaks in
suction pipe.
Gradually close discharge shutoff until
delivery pressure stabilizes and noise level
drops; DO NOT close completely.
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