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TROUBLESHOOTING
710-14888-00C EMX4i User Manual
121
11.3
General Faults
This table describes situations where the soft starter does not operate as expected
but does not trip or give a warning.
Symptom
Probable Cause
Starter "Not Ready"
•
The reset input may be active. If the reset input is
active, the starter will not operate.
"Simul" on display
•
The starter is running simulation software. This
software is intended for demonstration purposes
only and is not suitable for controlling a motor.
Contact your local supplier for advice.
The soft starter does not
respond to the START or
RESET button on the
keypad.
•
The soft starter will only accept commands from the
keypad if parameter 1A
Command Source
is set to
Remote Keypad. Check that the Local LED on the
starter is on.
The soft starter does not
respond to commands
from the control inputs.
•
The soft starter will only accept commands from the
inputs if parameter 1A
Command Source
is set to
Digital Input. Check the setting of 1A.
•
The control wiring may be incorrect. Check that the
remote start, stop and reset inputs are configured
correctly (refer to
Start/Stop
on page 26 for details).
•
The signals to the remote inputs may be incorrect.
Test the signalling by activating each input signal in
turn.
The soft starter does not
respond to a start
command from either the
keypad or the digital
inputs.
•
The soft starter may be waiting for the restart delay
to elapse. The length of the restart delay is
controlled by parameter 5P
Restart Delay
.
•
The motor may be too hot to permit a start. The soft
starter will only permit a start when it calculates that
the motor has sufficient thermal capacity to
complete the start successfully. Wait for the motor to
cool before attempting another start.
•
The reset input may be active. If the reset input is
active, the starter will not operate.
•
The soft starter may be waiting for control signals via
the communications network (parameter 1A
Command Source
= Network).
•
The EMX4i may be waiting for a scheduled auto-start
(parameter 1A
Command Source
= Clock).
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