YASKAWA L1000A Quick Start Manual page 213

U3: Fault History
■
No. Name
U3-01 to First to 4th Most Recent
U3-04 Fault
U3-05 to 5th to 10th Most Recent
U3-10 Fault
Cumulative Operation
U3-11 to
Time at 1st to 4th Most
U3-14
Recent Fault
Cumulative Operation
U3-15 to
Time at 5th to 10th
U3-20
Most Recent Fault
■ U4: Maintenance Monitors
No. Name
U4-01
Cumulative Operation
Time
<41>
U4-03
Cooling Fan Operation
Time
<42>
Cooling Fan
U4-04
Maintenance
U4-05
Capacitor Maintenance
Soft Charge Bypass
U4-06
Relay Maintenance
U4-07
IGBT Maintenance
U4-08
Heatsink Temperature
U4-09
LED Check
U4-10
kWh, Lower 4 Digits
U4-11 kWh, Upper 5 Digits
U4-13 Peak Hold Current
Peak Hold Output
U4-14
Frequency
Motor Overload
U4-16
Estimate (oL1)
YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
Displays the first to the fourth most recent faults.
Displays the fifth to the tenth most recent faults.
After ten faults have occurred in the drive, data for the oldest fault is deleted. The
most recent fault appears in U3-01, with the next most recent fault appearing in
U3-02. The data is moved to the next monitor parameter every time a fault occurs.
Displays the cumulative operation time when the first to the fourth most recent
faults occurred.
Displays the cumulative operation time when the fifth to the tenth most recent
faults occurred.
Displays the cumulative operation time of the drive. The value for the cumulative
operation time counter can be reset in parameter o4-01. Use parameter o4-02 to
determine if the operation time should start as soon as the power is switched on or
only while the Up/Down command is present. The maximum number displayed is
99999, after which the value is reset to 0.
Displays the cumulative operation time of the cooling fan. The default value for
the fan operation time is reset in parameter o4-03. This value will reset to 0 and
start counting again after reaching 99999.
Displays main cooling fan usage time in as a percentage of its expected
performance life. Parameter o4-03 can be used to reset this monitor. The fan
should be replaced when this monitor reaches 90%.
Displays main circuit capacitor usage time in as a percentage of their expected
performance life. The capacitors should be replaced when this monitor reaches
90%. Parameter o4-05 can be used to reset this monitor.
Displays the soft charge bypass relay maintenance time as a percentage of its
estimated performance life. The soft charge relay should be replaced when this
monitor reaches 90%. Parameter o4-07 can be used to reset this monitor.
Displays IGBT usage time as a percentage of the expected performance life. The
IGBTs should be replaced when this monitor reaches 90%. Parameter o4-09 can
be used to reset this monitor.
Displays the heatsink temperature.
Lights all segments of the LED to verify that the display is working properly.
Monitors the drive output power. The value is shown as a 9 digit number
displayed across two monitor parameters, U4-10 and U4-11.
Example:
12345678.9 kWh is displayed as:
U4-10: 678.9 kWh
U4-11: 12345 MWh
Displays the highest current value that occurred during a ride.
Displays the output frequency when the current value shown in U4-13 occurred.
Shows the value of the motor overload detection accumulator. 100% is equal to
the oL1 detection level.
Description
Description
B Parameter Table
Analog Output
Unit
Level
No signal output
–
available
No signal output
–
available
No signal output
1 h
available
No signal output
1 h
available
Analog Output
Unit
Level
No signal output
1 h
available
No signal output
1 h
available
No signal output
1%
available
No signal output
1%
available
No signal output
1%
available
No signal output
1%
available
10 V: 100°C 1°C
No signal output
–
available
No signal output
1 kWh
available
No signal output
1 MWh
available
No signal output 0.01 A
available
<40>
No signal output
0.01 Hz
available
10 V: 100% 0.1%
B
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