CG Drives & Automation 01-5958-01r0
The monitor always
gives an alarm
- Check the alarm levels in windows 11 to 14.
If incorrect readjust the levels or perform an
Auto set.
- Check if the monitor is programmed for “latched
alarm” (window 61=on). If so reset the monitor by
pressing the reset key.
Window 00 shows “LU”
or “OU”. Under- or over-
voltage alarm.
Switch off the supply:
- Check that the supply voltage agrees
with the voltage range on the monitor type plate.
Window 01 shows
“oor”. “Out Of Range”
alarm.
- The measured shaft power is higher than 125% of
the rated motor power programmed in window 41.
Window 03 shows
“oor”. “Out Of Range”
alarm.
- The measured motor current is higher than 125%
of the rated motor current programmed in window
42.
Over and undervoltage
is not detected
This is only detected at monitor power up and not dur-
ing continued operation. The relays will not trip, only
indication in the display.
The alarm relays are not
switching
- Check that the wire links between terminals 6
and 7 are removed as per “Wiring”.
Not all windows are
shown
When the special functions are used (windows 35, 65
etc.) blocked windows for settings are not shown.
Problem Solution
To Next Page
Loading...
