ABB PST30 Installation And Commissioning Manual page 183

Status
Fieldbus fault
Power on Fault Protection
Fault FB Timeout
Reset
By-pass doesn't open fault
Power on Fault Protection
Fault BP Closed
Reset
By-pass doesn't close fault
Power on Fault Protection
Fault BP Open
Reset
Fault Line/Delta
Power on Fault Protection
Fault Line/Delta
Reset Back
1SFC132003M0201
Possible cause
The fieldbus communication is
not working.
Back
The by-pass contactor is not
opening properly.
Back
The by-pass contactor is not
closing properly.
Back
The softstarter is not able to
accurately detect whether it is
connected in line or inside delta.
This is most likely due to unsta-
ble line side power supply.
Solution
• Check that the fieldbusplug is connected
correctly.
• Check that correct type of fieldbusplug is
used.
• Check that the parameter Fieldbus Type
is set according to the present fieldbus
type.
Without by-pass
• Check that the parameter Ext ByPass is
set to No.
With by-pass
• Check why the contactor is not opening
and make necessary actions.
• Check that the parameter Ext ByPass is
set to Yes
Without by-pass
• Check that the parameter Ext ByPass is
set to No.
With by-pass
• Check why the contactor is not closing
and make necessary actions.
• Check that the parameter Ext ByPass is
set to Yes
• Restart the softstarter. If the same error
occurs again, try to reduce the distur-
bances in the feeding network.
Chapter 11
Trouble shooting
183