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8026957/AE00/V1-0/2021-08| SICKOPERATING INSTRUCTIONS | DUSTHUNTER SB30
Subject to change without notice
6 MAINTENANCE
6.3.2 Replacing the button cell in the control unit
Exchange criterion: In case of need.
Work steps:
1 Disconnect the entire device (control unit and sender/receiver unit) from the power
supply.
2 Open MCU with control cabinet key.
3 Remove the old button cell. Insert new button cell
into the holder. Observe the
installation direction of the button cell. The circuit board is marked accordingly at this
point. For a suitable button cell, see “Consumable parts for 2-years operation”, page 70.
4 Put the entire device back into operation (switch on voltage and check measured and
status values, set time and date).
Fig. 32: Button cell exchange, MCU
Button cell of the
MCU control unit
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