6.3 Periodic Maintenance
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 197
Periodic Inspection &
Maintenance
6
Table 6.4 Performance Life Monitors Used for Component Replacement
n Related Drive Parameters
Use parameters o4-03, o4-05, o4-07, and o4-09 to reset a Maintenance Monitor to zero after replacing a specific
component.
NOTICE: If these parameters are not reset after the corresponding parts have been replaced, the Maintenance Monitor function will
continue to count down the performance life from the value that was reached with the old part. If the Maintenance Monitor is not reset,
the drive will not have the correct value of the performance life for the new component.
Parameter Component Contents
U4-03
Cooling Fan
Displays the accumulated operation time of the fan from 0 to 99999 hours. This value is automatically reset
to 0 after it reaches 99999.
U4-04 Displays the accumulated fan operation time as a percentage of the specified maintenance period.
U4-05 DC Bus Capacitors Displays the accumulated time the capacitors are used as a percentage of the specified maintenance period.
U4-06
In-rush Prevention
Circuit Breaker
Counts the number of ON/OFF operations for the in-rush prevention circuit breaker, and displays the
maintenance period as a percentage [%].
U4-07 IGBT Displays the percentage of the maintenance period reached by the IGBTs.
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