Troubleshooting Guide - Pentair PRO-SOURCE 8MM05231 Notice D'utilisation

PROBLEM CHECK
Motor will not start but
fuses do not blow
No voltage No voltage at fuse box.
No voltage at control box.
No voltage at pressure switch
No voltage on load side of
pressure switch.
Cable or splices bad.
Control box incorrectly wired.
Fuses blow or overload
protector trips when
motor starts
Wrong size fuse or wrong Check fuse size against chart, Page 4.
size time delay fuse.
Wire size too small Check wire size against chart, Page 5.
Starting capacitor Check control box to see if starting
defective or blown. capacitor has blown out.
Low or high voltage Check that line voltage is within ±10% of
nameplate rated voltage while motor is
running.
Cable leads not correctly Check control box wiring diagram
connected to control box. against incoming power hookup.
Check drop cable color coding.
Broken wire in control Examine all connections and wiring in
box. control box.
Pump or motor stuck or Check for locked rotor in pump.
binding.
Fuses blow or overload
protector trips when
motor is running
Low or high voltage. Check that line voltage is within ±10% of
rated nameplate voltage while motor is
running.
High ambient Check temperature of control box.
(atmospheric temperature)
Control box with wrong Compare voltage and horsepower on
voltage or horsepower motor nameplate with those given on
rating. control box nameplate or on circuit
diagram inside control box cover.
Wire size too small Check wire size against chart, Page 5.
Cable splices or motor Consult licensed electrician or qualified
leads grounded, shorted, serviceman.
or open.

TROUBLESHOOTING GUIDE

Consult power supplier, check generator.
Check connections, rewire from fuse box to
control box.
Check connections, replace control box, rewire
from control box to pressure switch.
Check connections, replace pressure switch.
Consult serviceman or licensed electrician.
Reconnect control box correctly (see wiring
diagrams, Pages 12 through 15).
Install correct fuse or time delay fuse.
Install correct size wire.
Replace starting capacitor.
If voltage variation is greater than ±10%, call
power company to adjust voltage.
Reconnect leads to match wiring diagram in
control box cover.
Reconnect drop cable so cable color code
matches motor lead color code.
Disconnect power and repair or replace faulty
wire.
If necessary, pull pump (make all possible
above ground checks first). If pump is locked,
replace it. Clean well of all sand or lime before
reinstalling pump.
If voltage variation is more than ±10%, call
power company to adjust voltage.
Do not mount control box in direct sunlight.
Replace control box if numbers do not match.
Install correct wire size.
Do not attempt to disassemble pump or motor.
12
CORRECTIVE ACTION