Benning IT 115 - Tester Maintenance

BENNING IT 115 Maintenance
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6 Maintenance
Unauthorized persons are not allowed to open the installation tester. The installation tester does
not contain any replaceable components except for the batteries / storage batteries and the fuse
F1.
6.1 Fuse replacement
Three fuses are located behind the rear cover of the installation tester. Only the fuse F1 can be
replaced.
If one of the fuses F2 or F3 has blown, the device must not be used anymore. In this case, the
device must be sent to BENNING for inspection and repair.
 F1
M 0.315 A / 250 V, 205 mm (757211)
This fuse is intended to protect the internal switching circuits for low-impedance
measurement / continuity test, if during measurement the test probes are accidentally
connected to the mains voltage.
Please refer to chapter 3.3 "Rear panel" for information on the position of the fuse F1.
Warnings:
 Disconnect all test cables and switch off the installation tester before opening the battery
/ fuse compartment, as dangerous voltages are applied to the installation tester!
 Replace the defective fuse by original fuses only, because otherwise the installation
tester or the accessories might get damaged and / or the operator's safety might be
impaired!
6.2 Cleaning
The housing does not require any specific maintenance. Clean the surface of the installation
tester or the accessories by means of a soft cloth slightly moistened with soap water or alcohol.
After cleaning, let the installation tester or accessories dry completely before using them.
Warnings:
 Do not use any liquids based on benzine or hydrocarbons!
 Do not spill any cleaning liquids on the installation tester!
6.3 Periodic calibration
It is important to calibrate the installation tester regularly to make sure that the technical data
listed in this operating manual are guaranteed. BENNING waarborgt de naleving van de in de
gebruiksaanwijzing vermelde technische gegevens en nauwkeurigheidsinformatie gedurende
het 1ste jaar na de leveringsdatum. It is recommended to calibrate the installation tester once a
year. Calibration must be carried out by an authorized technician only. Please contact your
specialty retailer or the BENNING Service Center for further information.