Elgas DATCOM, Operating Instructions Manual

Page: 128 / 228

7
Technical Description of the Device
126
The device indicates discharged battery by E9 error message in the device
diagnostics (see Section 6.9.5).
i
All data in the device, archives and parameter settings are stored in non-
volatile (energetically independent) memory and will remain intact even if the
device is disconnected from the power supply, including the disconnection
of the backup battery.
i
During the battery replacement, the device does not measure pressure or
temperature, but counts incoming LF pulses (however, the pulse conversion
is not carried out before the battery is connected), and the real-time clocks
operation is ensured.
i
The prescribed tightening torque of the batteries mounting screws to the
device is 0.7 Nm.
To replace the battery:
 Press the mechanical connector lock and pull the cables gently
to disconnect the battery connector
2
from the CPU module.
 Loosen the battery fixing screws.
 Remove the battery and replace it with a new one. Fix the battery
in position by the screws.
 The battery cable with connector
1
must be plugged into connector
2
on the processor
board.
 When the battery has been connected, the device is automatically turned on.