Troubleshooting; The Pump Does Not Start - Xylem Flygt 2830.180 Installation, Operation And Maintenance Manual

Troubleshooting

Troubleshooting
Introduction
DANGER:
Personal injury hazard. Troubleshooting a live control panel exposes personnel to
hazardous voltages. Electrical troubleshooting must be done by a qualified electrician.
Failure to follow these instructions will result in serious personal injury, death, and/or
property damage.
Follow these guidelines when troubleshooting the pump:
• Disconnect and lock out the power supply except when conducting checks that
• Make sure that no one is near the pump when the power supply is reconnected.
• When troubleshooting electrical equipment, use the following:

The pump does not start

WARNING:
Always disconnect and lock out power before servicing to prevent unexpected startup.
Failure to do so could result in death or serious injury.
NOTICE:
Do NOT override the motor protection repeatedly if it has tripped. Doing so may result in
equipment damage.
Cause
An alarm signal has been triggered
on the control panel.
The pump does not start
automatically, but can be started
manually.
32
require voltage.
• Universal instrument multimeter
• Test lamp (continuity tester)
• Wiring diagram
Remedy
Check that:
• The impeller rotates freely.
• The sensor indicators do not indicate an alarm.
• The overload protection is not tripped.
If the problem still persists:
Contact the local sales and service representative.
Check that:
• The start level regulator is functioning. Clean or replace if necessary.
• All connections are intact.
• The relay and contactor coils are intact.
• The control switch (Man/Auto) makes contact in both positions.
Check the control circuit and functions.
Flygt 2830.180 Installation, Operation, and Maintenance Manual