Xylem Flygt 2860.180, Installation, Operation And Maintenance Manual

Page: 46 / 56

For typical use of the pump in any application, use default settings. If a more powerful or
smoother start is required, the potentiometers can be set as described in the table.
Potentiometer Function More powerful start Smoother start
1 Ramp up time [Ramp U] Lower than default Higher than default
2 Ramp down time [Ramp D] N/A N/A
3 Initial torque [Torque] Higher than default Lower than default
LED Status Alarm signal
A Power supply on Green, continuous
B Ramping Yellow, intermittent
C Bypass relay ON Yellow, continuous
D Softstarter over-temperature
protection stops pump
Red, intermittent
E L3 phase loss before pump starts
(detection is made during power up
of the device and thereafter it is
deactivated)
Red, fast intermittent
E Phase loss and/or low voltage alarm Red, slow intermittent
F Incorrect phase sequence (detection
is made during power up of the
device and thereafter it is deactivated)
Red, intermittent
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.
Always reset the softstarter by switching the power of and on again and make sure other
possible problems described in
Troubleshooting (page 40) have been ruled out before
performing the steps below:
1. Disconnect and lock out power.
2. Make sure there is a safety distance of at least 20 m (65 ft.) between the product and
the pumped or mixed liquid.
3. Remove the top cover.
4. Reconnect power and note the type of alarm signal.
5. Disconnect and lock out power.
6. Perform the remedy for the noted type of alarm signal.
7. Reconnect power to verify that the problem has been resolved.
Repeat steps 5-7 until the problem has been resolved.
Cause Remedy
LED A is OFF. Check:
• The power cable and its connections to L1, L2, L3 (internal power supply
is connected to L1, L2).
• Fuses, contactors, switches and motor protection devices.
• That line voltage is not too low.
Troubleshooting
44 Flygt 2860.180 Installation, Operation, and Maintenance Manual