Start Up Faults - ABB PST Installation And Maintenance Manual

Status
Displayed current in LCD does
not correspond to motor current.
Displayed current in LCD is not
stable.
Loading of parameters does not
work properly.
Status
Power on
Power on
160
AC 1006.9 - 5/03
Chapter 11 - Troubleshooting
Possible cause
Inside Delta connection.
The motor is too small.
The load on the motor is too
small. (current is out of measuring
range).
Fieldbus settings.
11:3
Possible cause
LCD Auto shut off the keypad.
Fault Protection
Control voltage is not connected.
Fault Protection

Start up faults

Solution
• If the softstarter is connected Inside
Delta, the current displayed is 58%
of the motor current.
(1/( 3))
• Check that the softstarter
corresponds to the motor size.
• Increase the load if possible.
• Check that softstarter and motor
sizes correspond.
• See chapter Fieldbus for actual
fieldbus type.
Solution
• Touch any key on the keypad.
• Connect the control voltage
according to the circuit diagram.
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