Spare parts/accessories   
6.2 Fan/battery module 
  D4x5 
60  Manual, 03/2007 Edition 
6.2.3  Replace battery in the fan/battery module. 
Procedure 
Proceed as follows to replace the battery: 
1.  Gently press the fan/battery module backwards. 
This detaches the module from its front latching device. 
2.  Tilt the fan/battery module forwards at an angle and pull out the plastic guide from the 
recess of the control unit. 
3.  Remove the battery using a screwdriver (at the side) and disconnect the battery from the 
module by unplugging the connector. 
4.  Connect the cable connector of the new battery to the mating connector in the fan/battery 
module and push in the battery. 
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Figure 6-3  Battery replacement in the fan/battery module 
 
5.  Hold the fan/battery module at an angle to the front with the open side facing up (battery 
visible). 
6.  Push the plastic guide into the cutout on the underside of the control unit. 
7.  Tilt the fan/battery module up until the front latching device snaps into place. 
The electrical connection between the fan/battery module and the control unit is made 
automatically.