55
EN
Changing components
Safety
Removing the
housing
1 2
3 4
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").
3mm
1
2
TX 25
3
TX 25
4
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