Protection Indication - ABB PST30 Installation And Commissioning Manual

Status
Overload protection
Power on Fault Protection
Prot Motor OL
Reset
1SFC132003M0201

11:6 Protection indication

Possible cause
The motor has been exposed to
an overload condition because
the current over a certain time is
too high.
(The load on the motor shaft is
too high)
Back
Solution
In Line
At start
• Check and correct the reason for the
overload. Check that current limit level is
not set too low.
• Check that the ramp time for start is not
too long.
• Check that correct overload class is
used.
• Check that parameter Setting Ie is cor-
rect.
Continuous run
• Check and correct the reason for the
overload.
Inside Delta
At start
• Check and correct the reason for the
overload.
• Check that current limit level is not set
too low.
• Check that the ramp time for start is not
too long.
• Check that correct overload class is
used.
• Check that parameter Setting Ie is set to
58% ( ⁄ ( ) ) of the rated motor cur-
1 3
rent.
Continuous run
• Check and correct the reason for the
overload
Chapter 11
Trouble shooting
185