AEG 1000 Benutzerhandbuch

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Note:  
The UPS internal batteries are heavy. Use caution 
when handling the heavy batteries. 
The internal batteries are located behind the UPS
front cover (behind the LCD control panel). The
internal batteries are packaged together as one unit 
for easier handling. 
 
To replace the batteries in the UPS (use Protect D.1000 picture 
for reference): 
1.  Remove the four M6x16 pan-head screws, see Figure 21. 
 
 
Fig. 21: Preparatory measures for battery replacement 
2.  Then unscrew the two centered screws in front panel (2) 
using a suitable cross-slot screwdriver (recommended: 
Phillips PH1). 
3.  Now reach behind the front panel on the right and the left 
and pull the UPS approx. 70 mm forward out of the rack (3) 
so that the silver sticker on the top of the UPS with the safety 
precautions becomes visible (refer as well to the following 
fig. 22) 
4.  Now slide the front panel a few millimeters sideways to the 
left (4). The lock will be released … 
5.  … and you can rotate the entire front panel upwards (5). 
Make sure not to cut the flexible ribbon cable to the LCD 
display!   
Do not use excessive force.