ABB PSTX30 Manual Del Usuario página 19

Current imbalance
Current underload
Fan failure
EOL warning
Locked rotor
Over voltage
Under voltage
Power factor underload
THD(U)
Thyristor overload
Voltage imbalance
Short circuit
EOL time-to-trip
Phase loss
Number of starts limit
Motor run time limit
Softstarters Type PSTX30...PSTX1250 User Manual short form 1SFC132082M9901 19
Current imbalance between the phases. Restart the motor and
check the mains currents and voltage.
The motor current has fallen below the warning level. Check that
the motor current parameter (Ie) is set correctly.
One or several fans are not working properly. Risk of overheating.
Contact ABB sales office for service.
The motor is nearly overloaded because of too high current over a
certain time. Check starting conditions and EOL settings.
The motor current has exceeded the warning level. The motor is
running stiff. A damaged bearing or a stucked load could be pos-
sible causes. Check the load and the motor.
The main voltage is nearly out of range (x - x V)
The main voltage is nearly out of range (x - x V)
The power factor has fallen below the warning level.
THD has exceeded the warning level. Check quality of the network.
The calculated thyristor temperature has exceeded the warning
level. Check the starting conditions and the fans. Increase current
limit if needed.
Voltage imbalance between the phases has exceeded the warning
level. Check the mains voltage.
There is an internal short circuit and the softstarter is running in limp
mode. Contact ABB sales office for service.
The predicted time before EOL trip has fallen below the warning
level.
Voltage to one or more phases missing. Check that the mains are
connected and that no line contactor or breaker is open.
The configurable limit for Number of starts (resettable) have been
reached. The warning will stay active until the Number of starts
(resettable) value have been reset. Use menu: Menu → Settings →
Reset to defaults → Reset operating data and select Number of
starts (resettable) to perform the reset.
The configurable limit for Motor run time (resettable) have been
reached. The warning will stay active until the Motor run time
(resettable) value have been reset. Use menu: Menu → Settings →
Reset to defaults → Reset operating data and select Motor run time
(resettable) to perform the reset.
Description