10-1
10 Maintenance and repairs
10.1 Dry cells and rechargeable batteries
10.1.1 Replacing the rechargeable batteries / dry cells
Note: You should only replace the rechargeable batteries or dry cells
fitted in the Basic Unit. If the batteries in the EFA-300 sensor cube
need to be replaced, return the instrument to one of our Service
Centers.
✓ The EFA is switched off.
✓ The EFA is disconnected from the Power Supply Unit.
Replacing rechargeable batteries / dry cells
1. Push down the locking button on the back of the instrument.
2. Remove the battery compartment cover.
The battery compartment is now accessible.
Figure 10-1 Removing the battery compartment cover
3. Pull the cloth tape to lift out the batteries and remove them.
Caution
Instrument damage
The EFA may be damaged if the battery compartment cover is removed
while the instrument is still connected to the Power Supply Unit
⇒ Disconnect the EFA from the AC power supply before opening the
battery compartment cover.