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3.1
Safety instructions for work on the electrical system
Electric voltage!
Observe the following safety instructions for work on the electrical system:
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Only electrically skilled persons may carry out work on the electrical system.
Do not carry out any work at live parts of the electrical system.
Observe the following safety rules when working on the electrical system:
1. De-energise.
2. Secure against restart.
3. Verify de-energised state.
4. Shield live parts.
5. Earth and short-circuit.
In the event of faults of the electrical energy supply, immediately switch off the
instrument.
An interruption in the energy supply of > 20 ms requires restarting the software.
In the event of a short circuit, there is a risk of spark generation or the break-out of
a fire. Only use original fuses with specified amperage and tripping characteristic!
When a fuse must be replaced, first identify the corresponding cause and remedy
the error before you replace the fuse.
If work on live parts is required, only use insulated tools.
3 General safety instructions
Hitachi High-Tech Analytical Science
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