10
3-3. Drive status monitor LED
In case of CK10 series, status of LED can be checked by turning on / off the status LED and
flashing.
Name
Color
Function
ON / OFF Condition
PWR
Green
Power input
indication
Lights On when power is applied.
INP
Yellow
Complete
Positioning
When position command pulse input and then the
position deviation is within the value set by the
parameter, this lights On.
SON
Orange
Servo On/Off
indication
Servo On : light On
Servo Off : light Off
ALM
Red
Alarm
indication
Flash when protective function is activated.
(If you count LED flash time, you can check
what protective function is run.)
The following table shows the alarms according to the number of red LED flashes when an
alarm occurs during operation.
Times
Alarm name
Condition
1
Over Current Error
The current through power devices in drive exceeds 4.8A
2
Over Speed Error
Motor speed exceeds 3,000 [rpm]
3
Position Tracking
Error
Position error value is higher than 90˚in motor run state
*1
4
Over Load Error
The motor is continuously operated more than 5 seconds
under a load exceeding the max. torque
5
Over Temperature
Error
Inside temperature of drive exceeds 85
℃
6
Over Regeneratived
Voltage Error
Back-EMF is higher than 70V
7
Motor Connect Error
The power is ON without connection of the motor cable to
drive
8
Encoder Connect
Error
Cable connection error in Encoder connection of drive
10
In-Position Error
After operation is finished, a position error occurs
12
ROM Error
Error occurs in parameter storage device(ROM)
15
Position Overflow
Error
Position error value is higher than 90˚ in motor stop state
*2
*1. The setting value [pulse] in ‘Pos Tracking Limit[No.24]’parameter
*2. The setting value[pulse] in ‘Pos Error Overflow Limit[No28]’ parameter