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EN
General
Safety
ESD guidelines
No guarantee or warranty claims can be made in respect of any improperly handled elec-
tronic component or PC board.
General The "Changing components" section describes how to replace components that:
- Have no instructions of their own for replacement and
- Require detailed replacement instructions
WARNING! An electric shock can be fatal. Before opening the device:
- Turn the main device switch to the OFF position
- Disconnect the device from the mains and the battery
- Put up an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
- Using a suitable measuring instrument, ensure that electrically charged parts
(e.g. capacitors) have been discharged
- Do not under any circumstances short-circuit the battery
WARNING! An electric shock can be fatal. Danger due to residual voltage in ca-
pacitors. Wait for the capacitors to discharge. The discharge time is 3 minutes.
IMPORTANT! A safety inspection must be carried out after replacement, maintenance or
repair work on any component (see "Safety inspection").
NOTE! Observe ESD guidelines when handling electronic components and PC
boards. This primarily applies to ESD compatible
- Packaging
- Work surfaces
- Floors
- Seating
- Earthing facilities
- Handling
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