162 Maintenance
Replacing the internal circuit board compartment fan (frames D8T
and R8i)
The D8T and R8i modules are equipped with a fan blowing air through the circuit board
compartment. The fan is accessible from the front of the module.
WARNING! Only qualified electricians are allowed to do the work described
below. Read the complete safety instructions given in Safety instructions for
ACS880 multidrive cabinets and modules (3AUA0000102301 [English]) before
you service the drive. Ignoring the instructions can cause physical injury or death, or
damage to the equipment.
WARNING! Wear protective gloves and long sleeves! Some parts have sharp
edges.
1. Disconnect the drive from the AC power line and make sure it is safe to start the work.
See section Electrical safety precautions on page 128.
2. Open the door of the module cubicle.
3. Remove the two M4×12 (T20) screws which lock the fan holder.
4. Pull the fan holder out of the module.
5. Disconnect the fan cable.
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