Note:
Long term operation near the specified maximum ratings or ambient conditions may
require shorter maintenance intervals for certain components. Consult your local ABB Service
representative for additional maintenance recommendations.
Maintenance timers and counters
The control program has maintenance timers and counters that can be configured to generate
a warning when a pre-defined limit is reached. Each timer/counter can be set to monitor
any parameter. This feature is especially useful as a service reminder. For more information,
see the firmware manual.
Internal liquid-cooling system
For instructions on coolant replacement and checking the liquid-cooling system, see chapter
.
Power connections
■
Retightening the power connections
WARNING!
Obey the safety instructions given in
ACS880 liquid-cooled multidrive
cabinets and modules safety instructions
(3AXD50000048633 [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
Electrical safety precautions (page 36)
before
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.
■
Replacing the fan in the 600 mm wide incoming cubicle
WARNING!
Read the safety instructions given in
Safety instructions for ACS880
liquid-cooled multidrive cabinets and modules
(3AXD50000048633
[English]). If you ignore them, injury or death, or damage to the equipment
can occur.
Maintenance 65
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