Start Up Faults; Fault Indication - ABB PST30 Installation And Commissioning Manual

Status
Power on Fault Protection
Power on Fault Protection
Status
Phase loss fault
Power on Fault Protection
Fault Phase Loss
Reset Back
Connection fault
Power on Fault Protection
Fault Connection
Reset Back
1SFC132003M0201

11:4 Start up faults

Possible cause
LCD Auto shut off the keypad.
Supply voltage is not connected. • Connect the Supply voltage according to

11:5 Fault indication

Possible cause
The main contactor or circuit
breaker is open
Fuse blown.
Any external device open /
tripped.
Main contactor opens too quickly
The motor connection is not
correct.
Shorted thyristor at start.
Solution
• Touch any key on the keypad.
the circuit diagram.
Solution
• Check and close contactor / breaker or
any external switching device.
• Check and replace the fuse in all three
(3) phases.
• Add a time delay before opening.
In Line connected
• Check that there are no connections
missing to the motor.
• Check that the connections are carried
out correctly.
• Check and replace.
Inside Delta connected
• Check that there are no connections
missing to the motor.
• Check that the circuits are closed and
correspond to the circuit diagram.
• Check and replace.
Chapter 11
Trouble shooting
181