Internal Battery; Replacement Internal Battery - ABB ANR96 User Manual

ANR96 - USER MANUAL
5)

INTERNAL BATTERY

To avoid to lose the setup and all storing data, the instrument is equipped of an internal battery
(CR2450).
5.1)

REPLACEMENT INTERNAL BATTERY

Only a qualified and authorized technical person can change the internal battery.
This operation will delete all storing data and it will restore the default setup with the exception of the
password and the code to enable the harmonics and time bands. Using the software SW01 (or relative
serial commands) it's possible to download all storing data to avoid to losing same.
The next figure shows where is located the battery inside the instrument.
Instruction to change the internal battery:
1) It's necessary to cut off the power supply of instrument and to disconnect all inputs and all outputs.
2) Using a screwdriver remove the rear and the frame (to unscrew the 4 screws and to act on 4
retention hook).
3) It's necessary to pay attention to presence of residual voltage inside the instrument. Don't touch
any other component different from the battery circuit.
4) To extract the instrument from the case rear.
5) It's necessary to extract the circuit with the battery. Disconnect the 4 way pin strip. To make this
it's necessary to move the battery circuit away from the circuit with 12 pole terminal board; it's not
necessary to force too much. Finally extract the 3 way pin strip.
6) Change the battery. Put the positive pole in the high direction.
7) Proceed at the contrary of the disconnected operation to reinstate the battery circuit: insert the 3
way pin strip and after like described at the point 5) reinstate the 4 way pin strip.
8) The 4 pin strip must meet with their relative support.
9) Insert the instrument in the case
10) Replace the frame. Screw the 4 screws. Close the rear. Restore all the connection and turn on the
instrument.
11) In the Warnings page is possible to check the condition of battery (BATTERY OK).
4 WAY PIN STRIP
3 WAY PIN STRIP
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