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8. Maintenance
Only authorized service technicians may repair the instrument.
Note:
If the instrument is malfunctioning, please test:
- Battery condition and polarity
- Condition of the fuse(s) if available.
- Condition of the test leads.
Attention!
Always switch off the appliance and remove the test leads from all voltage
sources before opening the device to exchange the battery or the fuse.
Changing the battery(s)
Replace the battery(s) when the battery symbol or BATT is displayed on the LCD.
1.
Open the device.
2.
Replace the spent battery with a new one - note the correct polarity
3.
Close the device.
4.
Disposal of the flat battery should meet environmental standards.
Changing the fuse(s)
1.
Open the device.
2.
Remove the broken fuse carefully from ist holder.
3.
Reinset the new fuse and ensure proper fitting. Use equivalent fuses only.
4.
Close the device.
Cleaning
If the instrument is dirty after daily usage, it is advised to clean it by using a
humid cloth and a mild household detergent. Prior to cleaning, ensure that
instrument is switched off and disconnected from external voltage supply and
any other instruments connected. Never use acid detergents or dissolvent for
cleaning.
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