3.4 Programming Mode
3-36
Table 3.4-13 Display Items for Maintenance Information
LED
monitor
Item Description
5_00
Cumulative run time
Shows the content of the cumulative power-ON time counter of the inverter.
Counter range: 0 to 65,535 hours
Display: Upper 2 digits and lower 3 digits are displayed alternately.
Example:
0
⇔
535h
(535 hours)
65
⇔
535h
(65,535 hours)
The lower 3 digits are displayed with
h
(hour) at the least
significant digit.
When the count exceeds 65,535, the counter will be reset to "0" and start
over again.
5_01
DC link bus voltage
Shows the DC link bus voltage of the inverter main circuit.
Unit: V (volts)
5_02
Max. temperature
inside the inverter
Shows the maximum temperature inside the inverter for every hour.
Unit: °C (Temperatures below 20°C are displayed as 20°C.)
5_03
Max. temperature of
heat sink
Shows the maximum temperature of the heat sink for every hour.
Unit: °C (Temperatures below 20°C are displayed as 20°C.)
5_04
Max. effective
output current
Shows the max. effective current value for every hour.
Unit: A (amperes)
5_05
Capacitance of the
DC link bus
capacitor
Shows the current capacitance of the main circuit capacitor (reservoir
capacitor) in %, based on the capacitance when shipping as 100%. Refer to
the FRENIC-MEGA Instruction Manual, Chapter 7 "MAINTENANCE AND
INSPECTION" for details.
Display: %
5_06
Cumulative run time
of electrolytic
capacitors on the
printed circuit
boards
Shows the content of the cumulative run time counter of the electrolytic
capacitors on the printed circuit boards, which is calculated by multiplying
the cumulative run time count, with a voltage applied, by the coefficient
based on the surrounding temperature condition.
Counter range: 0 to 99,990 hours
Display:
0
to
9999
The x10 LED turns ON.
(Actual cumulative run time of electrolytic capacitors on the printed circuit
boards (hours) = Displayed value x 10)
When the count exceeds 99,990, the counter stops and the LED monitor
sticks to
9999
.
5_07
Cumulative run time
of the cooling fan
Shows the content of the cumulative run time counter of the cooling fan.
This counter does not work when the cooling fan ON/OFF control (function
code H06) is enabled and the fan stops.
The display method is the same as for
5_06
above.
5_08
Startup count for
motor
Shows the content of the motor 1 startup counter (i.e., the number of run
commands issued).
Counter range: 0 to 65,530 times
Display range:
0
to
9999
If the count exceeds 10,000, the x10 LED turns ON and
the LED monitor shows one-tenth of the value.
When the count exceeds 65,530, the counter will be reset to "0" and start
over again.
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