
Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201
85
Chapter 10
Event
code
Event description
Cause
SF20
Software fault
Fault in software
SF3x
1
Shunt fault
By-pass relay/contactor does not open or thyristor short circuit
SF4x
1
By-pass open
By-pass relay or by-pass contactor does not close or opens
SF50
Softstarter thermal overload
Thyristors overheated
EF1x
1
Phase loss fault
Power loss on operational current on one or several phases
EF20
Bad network quality
Excessive disturbances in the operational supply network
EF3x
1
Current lost fault
Operational current on one or several phases lost
EF40
Fieldbus fault
Fault on Fieldbus communication
EF50
Low supply voltage
Voltage too low or briefly interrupted in control supply network for softstarter
EF6x
1
High current fault
Operational current higher than 8 x Ie
P1
Motor overload protection
Load on motor higher than motor rating and corresponding selected EOL
Class.
Current limit parameter is set on a too low value.
P2
Underload protection
Load on motor too low
P3
Locked rotor protection
Load on motor too high for a short time
SF = Softstarter fault
EF = External fault
P = Protection
1
x = phase number, 4 indicates multiple or unknown phase
10.3 Tripping events
Depending on PSE Softstarter
configuration, different events may be
signalled on the LCD. All event codes are found in table 10.2: Event list.
Table 10.2: Event list