Maintenance 141
Maintenance
What this chapter contains
This chapter contains preventive maintenance instructions.
Safety
WARNING! Read the Safety instructions 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.
This table lists the routine maintenance intervals recommended by ABB.
Maintenance Interval Instruction
Capacitor reforming Every year of storage See Reforming
th
e capacitors.
Heat sink temperature
check and cleaning
Depends on the dustiness of the
environment (every 6 to 12 months)
See Heat sink.
Cooling fan change Every 6 years if the ambient
temperature does not exceed 45 °C
(113 °F).
Every 3 years if the ambient
temperature is higher than 45 °C
(113 °F).
See Cooling fan.
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