Maintenance And Disposal - CARLO GAVAZZI WM50 Manual De Instrucciones

Maintenance and disposal

Maintenance and disposal
Troubleshooting
Note: in the event of malfunction or fault, contact the CARLO GAVAZZI branch or distributor in your country
Measurement problems
Problem
'EEEE' (on WM50) or "--" (on UCS)
appears instead of the measurement
Frequency and voltage values are
zero
The values displayed are not as
expected
The values displayed differ from
those expected and G1, G2, G3, G4
LEDs blink
Alarms
Problem
An alarm has activated but the
measurement has not exceeded the
threshold
The alarm is not activated or
deactivated as expected
36 WM50 - Instruction manual | 26/04/2022 | CARLO GAVAZZI Controls SpA
Cause
The current transformer settings are
not correct and therefore the
measurement exceeds the maximum
admissible value, or is the result of
calculations with at least one
measurement error.
The analyzer is not used within the
expected measurement range and
therefore the measurement exceeds
the maximum admissible value, or is
the result of calculations with at least
one measurement error.
The analyzer has just been switched
on and the set interval for calculating
the average power values (default: 15
min) has not yet elapsed.
No data received from the phase
used to calculate frequency
Electrical connections are incorrect
The current transformer settings are
incorrect
There are more than four TCD12s per
TCD bus
TCD12 configuration error
Cause
The value used to calculate the alarm
variable is in error conditions
The analyzer is not used within the
expected measurement range
The alarm settings are incorrect
Possible solution
Change the current transformer ratio
Uninstall the analyzer
Wait. If required, change the integration interval.
Check line status and analyzer connections, see
WM50 installation instructions
Check line status and analyzer connections, see
WM50 installation instructions
Check the set current transformer ratio value
Check TCD bus composition and reorganize
TCD12 buses
From UCS check the configuration
Possible solution
Check the set current transformer ratio value
Uninstall the analyzer
Check set parameters.
Check measured value consistency with analyzer
features