7. Tighten the knurled screw.
The connecting cable of the fan is connected to a PCB via a plug
connection.
The cable may not be attached to anything and must not be crimped.
The connecting cable of the fan has to be installed in an "upward-
directed" loop while mounting the fan!
14.3 CMOS battery
The battery used to buffer remanent data (clock etc.) has a limited service life
(see chapter 5.7 "Wear parts" on page 7).
For the position of the lithium battery in the control cabinet PC, refer to fig. 14-2
"Fan tray" on page 77.
Batteries can cause fire, explosions or chemical
burn.
Do not load, remove, destroy, burn or heat batteries over 100 °C. Dispose old
batteries immediately and properly. Keep away from children!
14.3.1 Exchanging the battery
1. Disconnect the control cabinet PC from voltage.
2. Loosen the knurled screw of the fan module, see fig. 14-2 "Fan tray" on
page 77.
3. Carefully remove the fan (including the fan cover).
4. Remove the empty battery.
5. Insert the new battery, positive terminal to the bottom (observe the label
on the battery!).
6. Insert the fan again.
7. Tighten the knurled screw.
The connecting cable of the fan is connected to a PCB via a plug
connection.
The cable may not be attached to anything and must not be crimped.
The connecting cable of the fan has to be installed in an "upward-
directed" loop while mounting the fan!
15
Ordering information
For ordering information on accessories and spare parts, please refer to chapter
5 "Spare parts, accessories and wear parts" on page 6.
Bosch Rexroth AG
Ordering information
IndraControl VPB 40.4
78/87
DOK-MLC***-INDRACTRLV4-IT02-EN-P
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