Power Connections And Quick Connectors; Retightening The Power Connections; Fans - ABB ACS880-207 Hardware Manual

78 Maintenance
WARNING!
Use the required personal protective equipment. Wear protective gloves and long
sleeves. Some parts have sharp edges.
WARNING!
Use a vacuum cleaner with antistatic hose and nozzle, and wear a grounding
wristband. Using a normal vacuum cleaner creates static discharges which can
damage circuit boards.
1. Stop the drive and do the steps in section
you start the work.
2. Remove the drive module from the cabinet.
3. Remove the module cooling fan(s). See the separate instructions.
4. Blow dry, clean and oil-free compressed air from bottom to top and simultaneously use
a vacuum cleaner at the air outlet to trap the dust. If there is a risk of dust entering
adjoining equipment, do the cleaning in another room.
5. Reinstall the cooling fan.

Power connections and quick connectors

Retightening the power connections

￭
WARNING!
Obey the safety instructions given in ACS880 multidrive cabinets and
modules safety instructions (3AUA0000102301 [English]). If you ignore
the safety instructions, injury or death, or damage to the equipment can
occur.
If you are not a qualified electrical professional, do not do installation or
maintenance work.
1. Stop the drive and do the steps in section
you start the work.
2. Examine the tightness of the cable connections. Use the tightening torques given in the
technical data.

Fans

The lifespan of the cooling fans of the drive depends on the running time, ambient
temperature and dust concentration. See the firmware manual for the actual signal which
indicates the running time of the cooling fan. Reset the running time signal after fan
replacement.
Replacement fans are available from ABB. Do not use other than ABB specified spare parts.
Electrical safety precautions (page 46)
Electrical safety precautions (page 46)
before
before