EM530/EM540 - User manual |23/11/2022 | CARLO GAVAZZI Controls SpA
25
Maintenance and disposal
Troubleshooting
Note:
in case of other malfunctions or of any failure, please contact the CARLO GAVAZZI branch or the distributor for your country
Problem
Cause
Possible solution
The ‘EEEE’ indication is displayed
instead of a measurement
The analyser is not used within the
prescribed measuring range; as a
consequence, the measurement
exceeds the maximum permitted
value or is the result of a calculation
with at least one measurement in
error.
Uninstall the analyser
The analyser has just been switched
on and the interval defined for the
calculation of the average power
values (default: 15 min) has not
expired yet.
Wait. If you wish to change the interval, access the
Dmd page of the Settings menu
The displayed values are not the
expected ones
Electrical connections are incorrect
Verify the connections
The current transformer settings are
incorrect
Check the set current transformer ratio
Alarms
Problem
Cause
Possible solution
An alarm is triggered, but the
measurement has not exceeded the
threshold value
The value with which the alarm
variable is calculated is in error
Check the set current transformer parameters
The alarm is not activated and
deactivated as expected
The alarm settings are incorrect
Check the set parameters
Communication problems
Problem
Cause
Possible solution
No communication can be
established with the analyser
Communication settings are incorrect Check the set parameters
Communication connections are
incorrect
Verify the connections
The settings of the communication
device (third-party PLC or software)
are incorrect
Check the communication with the UCS software
Display problem
Problem
Cause
Possible solution
You cannot display all measurement
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Disable the filter, see "Page filter" on page 21
