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Maintenance Repairs and service must only be done by Megger or authorised service departments of
Megger. Megger recommends having the equipment serviced and checked once per year
at a Megger service location.
Megger also offers direct on-
site support. Please contact our service office for more
information.
The connecting cables, like the earthing cable, the power cord and the HV test lead need
to be checked for damages and cleaned at regular intervals.
Behaviour at
malfunction of normal
operation
The equipment may only be used when working properly. When irregularities or
malfunctions appear that cannot be solved consulting this manual, the equipment 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
instrument may only be operated when the malfunction is resolved.
In the case of a persistent system malfunction you might be asked to send the system
error log for further fault diagnosis to the Megger service.
In order to export the error log, the USB stick has to be plugged into the system before it is
switched on. During power up, the log file is written to the logfiles folder on the USB stick.
Replacing fuses If the device cannot be switched on, even though it is connected to the mains power
supply, the two fuses must be checked. Before doing so, disconnect the system /
device from power supply!
Then the fuse holders can be loosened (using a screwdriver) and pulled out. If the fuses
are defective, they must be replaced with suitable microfuses (5 x 20 mm) of the type T4A.
If the fuses continue to trip, please get in touch with an authorised service department in
order to have the problem resolved.
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