3-24
Table 3.13 Maintenance Display Items
LED Monitor
shows:
Display contents Description
5_00 Accumulated
run time
Shows the accumulated power-ON time of the inverter.
Unit: thousands of hours.
When the total ON-time is less than 10,000 hours (display: 0.001 to
9.999), it is possible to check data in hourly units. When the total time
is 10,000 hours or more (display: 10.00 to 65.53), the display will
change to units of 10 hours. When the total time exceeds 65,535
hours, the display will be reset to 0 and the count will start again.
5_01 DC link circuit
voltage
Shows the DC link circuit voltage of the inverter.
Unit: V (volts)
5_03 Max. temperature
of heat sink
Shows the maximum temperature of the heat sink for every hour.
Unit: ºC
5_04 Max. effective
current
Shows the maximum effective current for every hour.
Unit: A (amperes)
5_05
Capacitance of
the DC bus
capacitor
Shows the current capacitance of the DC bus capacitor, based on the
capacitance when shipping as 100%. Refer to Chapter 7 "MAINTE-
NANCE AND INSPECTION" for details.
Unit: %
5_06 Accumulated
run time of
electrolytic
capacitor on the
printed circuit
board
Shows the accumulated run time of the capacitor mounted on the
printed circuit board.
The display method is the same as for "accumulated run time" above.
However, when the total time exceeds 65,535 hours, the count stops
and the display remains at 65.53.
5_07 Accumulated
run time of the
cooling fan
Shows the accumulated run time of the cooling fan.
The cooling fan ON/OFF control (function code H06) is effective, so
the time when the fan is stopped is not counted.
The display method is the same as for "accumulated run time" above.
However, when the total time exceeds 65,535 hours, the count stops
and the display remains at 65.53.
5_08 Number of
startups
The motor run times (the number of times the inverter run command is
set to on) are calculated and displayed.
1.000 indicates 1,000 times. When any number ranging from 0.001 to
9.999 is displayed, the display increases by 0.001 per startup, and
when any number from 10.00 to 65.53 is displayed, the display in-
creases by 0.01 every 10 startups. When the total number exceeds
65,535, the display will be reset to 0 and the count will start again.
5_11 No. of RS485
errors
Shows the total number of times RS485 communications error has
occurred after the power is turned on.
Once the number of errors exceeds 9.999, the display (count) returns
to 0.
5_12 RS485 error
contents
Shows the latest error that has occurred with RS485 communications
in hexadecimal format.
5_14 ROM version of
inverter
Shows the ROM version of the inverter as a 4-digit display.
5_16 ROM version of
keypad panel
Shows the ROM version of the keypad panel as a 4-digit display. (For
remote keypad only.)
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