Years from start-upComponent
21181512963
RRRAuxiliary cooling fan for circuit boards
R3: page 256
Aging
RRControl panel battery: page 261
Functional safety
I
See the maintenance in-
formation of the safety
function.
Safety function test
20 yearsSafety component expiry (Mission time,
T
M
)
Note:
• Maintenance and component replacement intervals are based on the
assumption that the equipment is operated within the specified ratings and
ambient conditions. ABB recommends annual drive inspections to ensure the
highest reliability and optimum performance.
• 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 245
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