Maintenance
105
Replacing the cooling fan of the module
WARNING! Folow the safety instructions, page 14. Ignoring the instructions can 
cause physical injury or death, or damage to the equipment
1. Remove the front cover.
2. Disconnect the fan capacitor and power supply wires. 
3. Undo the red fastening screws of the plastic side cover of the fan. Shift the cover 
to the right to free its right-hand edge and lift the cover off.
4. Undo the red fastening screws of the fan.
5. Lift the fan out of the cabinet.
6. Install the new fan and fan capacitor in reverse order to the above.
1
2
5
1
2
3
3
4
4
3
M6, 8 N·m (6 lbf·ft)
M5×8, 2 N·m (1.5 lbf·ft)