3.5 Alarm Mode
When a protective function is triggered, resulting in an alarm, the inverter automatically enters the alarm mode,
displaying the alarm code on the LED monitor and the details of the alarm on the LCD monitor as shown below.
If there is no overlapping alarm
Most recent cause; No. of consecutive occurrences
Cause of alarm
Operation guide
Operation guide
Figure 3.29 Without multiple Alarm
If there is an overlapping alarm
Most recent cause; No. of consecutive occurrences
(
Cause of alarm
is added if there is a multiple alarm.)
Operation guide
Operation guide
Figure 3.30 With Multiple Alarm
If there is a multiple alarm, you can view more detailed information by pressing the
key.
In the examples below, "1 = Er2" corresponds to the first multiple alarm occurrence, and "2 = OH2" to the
second multiple alarm occurrence.
Display of alarm history
In addition to the most recent (current) alarm, you can view three recent alarms and any multiple alarms by
pressing
/
keys while the most recent one is being displayed.
Multiple alarm; No. of consecutive occurrences
Cause of alarm
Operation guide
Operation guide
Most recent alarm; No. of consecutive occurrences
Cause of alarm
Operation guide
Operation guide
Figure 3.31 Screen Transition for Multiple Alarm History
(
is added if there is an
overlapping alarm.)
nd
Alarm history (2 last); No. of consecutive occurrences
Cause of alarm
Operation guide
Operation guide
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