ABB Frequency Converter ACS 601-0020-3

Warning: Only trained personnel should perform this procedure

Enter the current usage hours of the ACx 601 unit

Is there increasing noise from fan bearings?

Is there a gradual rise in the heatsink temperature?

If the above symptoms are present, fan replacement is recommended

Was the fan successfully removed from the bottom of the frame?

Replacement fans are available from ABB. Do not attempt operation with other than ABB specified spare parts.

Upload a photo of the replaced fan

Sign off on the fan replacement

Warning: The heatsink should be checked and cleaned annually to prevent overtemperature warnings and faults.

If cleaning is carried out in the same room where the unit is normally operated, use a soft brush.

Dust removed gently with a soft brush

If the installation can be taken apart and the cleaning is carried out in another room (or outdoors), compressed air can be used.

Compressed air used for cleaning

Prevent fan rotation when using compressed air for heatsink cleaning to prevent bearing wear.

Fan rotation prevented during cleaning

Sign off on the heatsink cleaning

Warning: This procedure requires trained personnel with PPE!

Enter the current hours of the capacitors

Is the ambient temperature lowered?

If capacitor failure is suspected, contact ABB immediately

Did the mains fuse fail or a Fault trip occur?

Enter the ABB specified spare parts used for replacement

Enter the date of the last capacitor reforming

Sign off on the capacitor replacement