9 Error messages and troubleshooting
91BA6820378-03 EN
To replace the CR2032 battery in the device, proceed as follows:
ü New battery is available.
ü The device and system peripherals have been de-energized and mea-
sures have been taken to ensure that they cannot be switched back on.
1. Open the terminal box of the dehydrating breather. To do so, unscrew the
4 captive screws on the housing cover. The cover is held on the left-hand
side via spring hinges and can be swung open to the left.
2. Remove the exhausted CR2032 battery from the battery holder.
3. Insert the new battery (see [►Section 12.1, Page 103]) quickly and do not
allow several minutes to pass, because otherwise the internal time will no
longer match the current time. When doing so, ensure the polarity is cor-
rect.
Figure68: Replacing the CR2032 battery
4. Close the terminal box again (see [►Section 6.10, Page 71]).
5. Recommission the device (see [►Section 7, Page 76]).
9.5 Contaminated silica gel
The silica gel must not come into direct contact with the insulating fluid. In
the event of the dehydrating breather being inadvertently flooded with insu-
lating fluid, it must be thoroughly cleaned, the silica gel replaced completely
and the correct function tested.
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