YASKAWA A1000 Technical Manual page 319


o4-03: Cooling Fan Operation Time Setting
Sets the value for how long the cooling fan has been operating. This value can be viewed in monitor U4-03. Parameter
o4-03 also sets the base value used for the cooling fan maintenance, which is displayed in U4-04. Be sure to reset this
parameter back to 0 if the cooling fan is replaced.
Note: 1. The value in o4-03 increases after every 10 hours of use. A setting of 30 will set the cooling fan operation time counter to 300 h.
"300" will be displayed in monitor U4-03.
2. The cooling fan may require maintenance at an earlier date in harsher environments.
No.
o4-03

o4-05: Capacitor Maintenance Setting
Sets value of the maintenance monitor for the DC bus capacitors displayed in U4-05 as a percentage of the total expected
performance life. This value should be reset to 0 when the DC bus capacitors have been replaced.
Note: The actual maintenance time will depend on the environment where the drive is used.
No.
o4-05

o4-07: DC Bus Pre-Charge Relay Maintenance Setting
Sets the value of the softcharge bypass relay maintenance time displayed in U4-06 as a percentage of the total expected
performance life. This value should be reset to 0 when the bypass relay has been replaced.
Note: The actual maintenance time will depend on the environment where the drive is used.
No.
o4-07

o4-09: IGBT Maintenance Setting
Sets the value of the IGBT maintenance time displayed in U4-07 as a percentage of the total expected performance life.
This value should be reset to 0 when the IGBTs have been replaced.
Note: The actual maintenance time will depend on the environment where the drive is used.
No.
o4-09

o4-11: U2, U3 Initialization
Resets the fault trace and fault history monitors (U2- and U3-). Initializing the drive using A1-03 does not reset
these monitors.
No.
o4-11
Setting 0: No action
The drive keeps the record already saved concerning fault trace and fault history.
Setting 1: Reset fault data
Resets the data for the U2- and U3- monitors. Setting o4-11 to 1 and pressing the ENTER key erases fault data
and returns the display to 0.
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
Name
Cooling Fan Operation Time Setting
Name
Capacitor Maintenance Setting
Name
DC Bus Pre-charge Relay Maintenance Setting
Name
IGBT Maintenance Setting
Name
U2, U3 Initialization
5.10 o: Operator Related Settings
Setting Range
0 to 9999
Setting Range
0 to 150%
Setting Range
0 to 150%
Setting Range
0 to 150%
Setting Range
0 or 1
Default
0
Default
0%
Default
0%
Default
0%
Default
0
5
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