AnnuallyRecommended annual actions by the user
Connections and environment
PQuality of supply voltage
Spare parts
ISpare parts
PDC circuit capacitors reforming, spare modules and spare capacitors
Inspections by the user
ITightness of terminals
IDustiness, corrosion and temperature
IHeat sink cleaning
￭ Recommended maintenance intervals after start-up
Years from start-upComponent
21181512963
Cooling
Main cooling fan
RRMain cooling fan (R10 and R11)
Auxiliary cooling fan
RRCircuit board compartment cooling fans (R10 and R11) LONG-LIFE
Aging
RRRZCU control unit battery (real-time clock)
RRControl panel battery (real-time clock)
4FPS10000239703
￭ Recommended functional safety actions
Functional safety actions
ISafety function test interval
RSafety component expiry (Mission time T
M
) 20 years
Cleaning the interior of the cabinet
WARNING!
Obey the safety instructions of the drive. If you ignore them, 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.
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.
158 Maintenance
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