Parameter Component Contents
U4-06
Inrush (pre-charge)
relay
Displays the number of times the drive is powered up as a percentage of the
performance life of the inrush circuit.
U4-07 IGBT Displays the percentage of the maintenance period reached by the IGBTs.
n
Related Drive Parameters
Table 6.5 Maintenance Parameter Settings
Parameter
Parameter Name Control Mode
Operator Display V/f
o4-03 Cooling Fan Maintenance Setting (Operation Time) A
o4-05 Capacitor Maintenance Setting A
o4-07 Inrush Prevention Relay (pre-charge) Maintenance Setting A
o4-09 IGBT Maintenance Setting A
NOTICE: After replacing parts, reset the appropriate maintenance parameters (o4-03, o4-05, o4-07, and
o4-09) to 0. If these parameters are not reset, the function will continue to count down the performance life
of the new replaced components.
6.3 Periodic Maintenance
160
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
2/6/2008-14:44