ABB Frequency Converter ACS 601-0011-3

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

Select the cleaning method used

Note: Compressed air should only be used if the installation can be taken apart and the cleaning is carried out in another room or outdoors.

Was fan rotation prevented during cleaning?

Sign off on the heatsink cleaning

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 despite cleaning?

Is the frequency converter operated in a critical part of a process?

If the above symptoms are present, fan replacement is recommended

The fan can be withdrawn by removing the bottom of the frame

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

Sign off on the fan replacement procedure

Warning: This procedure requires trained personnel with PPE!

Enter the current hours of the ACx 600 intermediate circuit

Is the frequency converter loading normal?

Is the ambient temperature within the acceptable range?

If the ambient temperature is high, take measures to lower it.

Is there a mains fuse failure or a Fault trip?

If yes, contact ABB immediately. Do not attempt to operate the machine.

Enter the ABB specified spare part number for the capacitor

Reform (re-age) spare part capacitors once a year according to ACS 600 Capacitor Reforming Guide (code: 64059629).