Electric Drives
and Controls
5
−
1
Bosch Rexroth AG
BT 6.00
1070080078 / 03
Maintenance
5
Maintenance
5.1
Battery
A battery is integrated to back up the internal data.
Battery type:
Lithium
Size:
AA
Voltage:
3.6 V
When the remaining battery capacity becomes critical, the BT 6 gener-
ates the fault message ”BT6 battery low”.
The LED in key
?
flashes (cf. page 4
−
11).
L
Include battery replacement in the regular maintenance schedule! Re-
placement: at least every 4 years.
CAUTION
Damages through improper handling of electronic components!
Therefore, batteries must be replaced by authorized technical per-
sonnel!
CAUTION
Loss of code numbers stored in BT 6!
If the BT 6 is not supplied with power at X1 for more than 1 minute
because the battery is low or during battery change, all code num-
bers input may be deleted!
Therefore, check all your code numbers when you have replaced
the battery!
Replacing the battery
1. Switch the unit off.
2. Only for manual programming terminal:
Loosen the 4 fastening screws at the back side of the housing of the
manual programming terminal and carefully take out the BT 6 from
the housing.
3. Remove all connection cables from the BT 6.
4. Only for built-in terminal:
Make sure that the BT 6 cannot fall out of the assembly cutout and
loosen the fastening clamps on the sides of the BT 6 housing.
5. Only for built-in terminal:
Take out the fastening clamps and draw the unit out of the assembly
cutout towards the front.
6. Lay the BT 6 front side facing down on a soft, even surface.