Maintenance and hardware diagnostics
45
Maintenance and hardware diagnostics
What this chapter contains
The chapter contains preventive maintenance instructions and LED indicator
descriptions.
Safety
WARNING! Read the instructions in chapter Safety on the first pages of this manual
before performing any maintenance on the equipment. Ignoring the safety
instructions can cause injury or death.
Maintenance intervals
If installed in an appropriate environment, the drive requires very little maintenance.
The table lists the routine maintenance intervals recommended by ABB.
Maintenance Interval Instruction
Reforming of capacitors Every two years when stored See Capacitors in the ACS355
user’s manual.
Internal cooling fan replacement Every three years See Internal fan on page 46.
Replacement of the battery in
the Assistant Control Panel
Every ten years See Battery in the ACS355
user’s manual.
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