TROUBLESHOOTING
Display
Possible cause/Suggested solution
Motor thermistor
The motor thermistor input has been enabled and:
•
The resistance at the thermistor input has exceeded 3.6 k
Ω
for more than one second.
•
The motor winding has overheated. Identify the cause of the
overheating and allow the motor to cool before restarting.
•
The motor thermistor input has been opened.
If thermistors have previously been connected to the EMX4e but
are no longer required, use the Thermistor Reset function to
disable the thermistor.
Related parameters: 6M
Network
communication
There is a network communication problem, or the network
master may have sent a trip command to the starter. Check the
network for causes of communication inactivity.
Related parameters: 6I
Not ready
•
The reset input may be active. If the reset input is active, the
starter will not operate.
•
The soft starter may be waiting for the restart delay to elapse.
The length of the restart delay is controlled by parameter 5H
Restart Delay
.
Related parameters: 5H
Overcurrent
The current has exceeded the level set in parameter 5E
Overcurrent
for longer than the time set in parameter 5F
Overcurrent Delay
. Causes can include a momentary overload
condition.
Related parameters: 5E, 5F, 6E
Parameter out of
range
This trip is not adjustable.
•
A parameter value is outside the valid range. The keypad will
indicate the first invalid parameter.
•
An error occurred loading data from the EEPROM to RAM
when the keypad powered up.
•
The parameter set or values in the keypad do not match the
parameters in the starter.
•
"Load User Set" has been selected but no saved file is
available.
Reset the fault. The starter will load the default settings. If the
problem persists, contact your local distributor.
Related parameters: None
84 |
EMX4e User Manual (710-18433-00C)