61 25 665 D3437
D3437
.
076.01.15
.
02 06.2012
383
Sirona Dental Systems GmbH
10
Maintenance
Service Manual GALILEOS
10.9
Checking the device leakage current
båÖäáëÜ
1. Switch the line voltage off at the main switch of the building
installation.
2. Disconnect the power cable and the second protective ground wire
from the building installation.
3. Remove the "profile" cover.
4. Check whether the unit power switch is turned on.
5. Connect a high-resistance measuring voltage source between the
short-circuited power cable (B) and the protective ground wire (A).
6. Measure the voltage drop via MD.
The measured value must not exceed 5 mA.
ª
If the leakage current is not correct: Troubleshoot the problem
following the instructions in Device leakage current too
7. Reconnect the unit to the building installation (see the installation
instructions for the unit).
Summary of Contents for galileos
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