3-27
Table 3.21 Alarm Information Displayed (Continued)
LED monitor
shows:
(item No.)
Item displayed Description
A
Max. temperature of heat sink
Shows the temperature of the heat sink.
Unit: ºC
A
Terminal I/O signal status
(displayed with the ON/OFF of
LED segments)
A
Terminal input signal status
(in hexadecimal format)
A
Terminal output
signal status
(in hexadecimal format)
Shows the ON/OFF status of the digital I/O terminals.
Refer to " Displaying control I/O signal terminals
" in
Section 3.4.5 "Checking I/O signal status" for details.
A
No. of consecutive
occurrences
This is the number of times the same alarm occurs
consecutively.
A
Multiple alarm 1
Simultaneously occurring alarm codes (1)
("
" is displayed if no alarms have occurred.)
A
Multiple alarm 2
Simultaneously occurring alarm codes (2)
("
" is displayed if no alarms have occurred.)
A
Terminal I/O signal status
under communications control
(displayed with the ON/OFF of
LED segments)
A
Terminal input signal status
under communications control
(in hexadecimal format)
A
Terminal output signal status
under communications control
(in hexadecimal format)
Shows the ON/OFF status of the digital I/O terminals
under RS-485 communications control. Refer to
" Displaying control I/O signal terminals under
communications control" in Section 3.4.5 "Checking
I/O signal status" for details.
A
Error sub code
Secondary error code for the alarm.
When the same alarm occurs repeatedly in succession, the alarm information for the first
occurrences will be preserved and the information for other occurrences in-between will be
discarded. The number of consecutive occurrences will be preserved as the first alarm
information.
3.5 Alarm Mode
If an abnormal condition arises, the protective function is invoked and issues an alarm, then the
inverter automatically enters Alarm mode. At the same time, an alarm code appears on the LED
monitor.
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