Troubleshooting
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9
Troubleshooting
If problems occur, these can – under certain circumstances – be diagnosed and solved
using the following table:
Problem / error message
Possible cause / remedy
The status indicator
on
the power module does not
go on after insertion.
Check whether the following conditions are fulfilled:
•
Was the power module connected to the supply
module and inserted in the correct orientation
(see page 29)?
•
Is low voltage currently being supplied to the
distribution cabinet?
•
Are the fuses (F1 and F2) in the power module
intact (see page 59)?
After insertion, the status
indicator
on the power
module does not switch from
white to green even after a
long wait.
This could indicate that the software version of the power
module and the supply module do no match. Start a
manual software update of the power module (see page
45), thus ensuring that both the control and the power
module are running the same software version.
The following symbol
appears on the display:
Buttons on the touch screen
are difficult to activate with
the stylus or cannot be
activated at all.
Perform a recalibration of the touch screen (see page 61).
If the procedure cannot be started directly at the supply
module due to the imprecise touch screen, you must
access the user interface via remote accessing.
The user interface cannot be
opened on the smartphone /
tablet despite an existing
WLAN connection.
Check that the mobile data connection on the smartphone
/ tablet has been deactivated. Otherwise, the device
attempts to access the entered IP via this Internet
connection.
When irregularities or malfunctions appear that cannot be solved consulting this manual,
the device / system must immediately be put out of operation and marked as not
functional. In this case inform the person in charge who should inform the Megger
service to resolve the problem. The device / system may only be operated when the
malfunction is resolved.
Independent fault
clearance
Behaviour at persistent
malfunction
