2-75
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in T
rouble
7
Supplement
Initial Status of the Front Panel Display (7 Segment LED)
Status
Front panel display shows the following after turning on the power of the driver.
Upon Occurrence of an Alarm
If a driver alarm is generated, the front panel display shows the following repeatedly.
Below shows possible cause of an alarm.
alarm
No.
Alarm
Content
A0
Overload protection
Load factor is 85 % or more the protection level.
A1
Over-regeneration alarm
Regenerative load factor is 85 % or more the protection
level.
A2
Battery alarm
Battery voltage is 3.2 V or lower.
A3
Fan alarm
Fan has stopped for 1 sec.
A4
Encoder communication
alarm
The number of successive encoder communication
errors exceeds the specified value.
A5
Encoder overheat alarm
The encoder detects overheat alarm.
A6
Oscillation detection alarm Oscillation or vibration is detected.
A7
Lifetime detection alarm
The life expectancy of capacity or fan becomes shorter
than the specified time.
A8
External scale error alarm
The external scale detects the alarm.
A9
External scale
communication alarm
The number of successive external scale
communication errors exceeds the specified value.
AC
Deterioration diagnosis
warning
Load characteristic estimates and torque command
under constant speed has exceeded the set range.
C3
Main power off warning
In case that Pr7.14 (Detection time of main power off
warning) is 10 to 1999, the mains power between L1
and L3 has stopped instantaneously for more than the
time prescribed in Pr7.14.
14. How to Use the Front Panel
Setup
Related page
•
P.4-6 to P.4-85
“Details of Parameter”
approx. 2 sec
approx. 0.6 sec
approx. 0.6 sec
Initial display of LED
(Determined by the setup of Parameter, Pr5.28 "Initial status of LED".)
approx. 0.8 sec
Repeatedly(during continuous alarm)
0.3 sec
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