ABB PSE 18 User Manual

Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201 87 Chapter 10
Status Possible cause Solution
Motor humming/starts without given start
signal.
By-pass relay closed, due to abnormal
handling. (PSE18...PSE170 only).
• Switch off operational voltage and
control supply voltage. Switch on volt-
age in correct succession.
1. Control supply voltage on terminals
1 and 2. See chapter 5.2.4.
2. Wait 4 seconds, and then switching
on operational voltage on terminals
L1, L2 and L3. See chapter 5.2.3.
• If same fault remains, contact your
ABB Sales Ofce.
By-pass contactor/relay stuck in closed
position.
• Check and replace relay or contactor.
• If same fault remains, contact your
ABB Sales Ofce.
Shorted thyristor. • Check and replace thyristor. Contact
your ABB Sales Ofce.
The motor connection is not correct. (Must
be connected In Line).
• Check and correct the wiring. Con-
nect the control supply voltage
according to a circuit diagram. See
Chapter 5 and Chapter 11.
Connecting Inside Delta not allowed.
1SFC132263F0001
PSE
Bad motor sound during start and opera-
tion.
The motor connection is not correct. (Must
be connected In Line).
• Check and correct the wiring. Con-
nect the control supply voltage
according to a circuit diagram. See
Chapter 5 and Chapter 11.
Connecting Inside Delta not allowed.
1SFC132263F0001
PSE
Incorrect ramp time for start. • Try different ramp times (some adjust-
ments can be necessary for best
result). See chapter 7.5.2.
Incorrect Initial/End Voltage. • Try different settings for the parameter
Initial /End Voltage. See chapter 7.5.4,
or contact your ABB Sales Ofce.
Incorrect current limit. • Try different settings for the parameter
Current Limit. See chapter 7.5.5, or
contact your ABB Sales Ofce.
The motor is too small.
(current is out of measuring range).
• Check that the softstarter corre-
sponds to the motor size.
Bad motor sound during stop. Incorrect ramp time for stop. • Try different ramp times for stop (some
adjustments can be necessary for
best result). See chapter 7.5.3.
Incorrect Initial/End Voltage. • Try different settings for the parameter
Initial /End Voltage. See chapter 7.5.4,
or contact your ABB Sales Ofce.
Start and stop command given at the
same time.
• Check that start and stop command
is not given at the same time.
Motor does not start when giving start
command using hardwire inputs.
Control wiring not correct. • Check connection for start and stop.
See chapter 5.2.4.3.
Start and stop command given at the
same time.
• Check that start and stop command
is not given at the same time.
10.5 General problems and faults

ABB PSE 18 Specifications

General

Brand	ABB
Model	PSE 18
Category	Controller
Language	English