Indication

Name

Definition

10

Under Voltage

Power Supply voltage dropped

12

Memory Error 1

Ram Fault Memory

13

Clock Error

Printed Board Fault

15

Memory Error 2

EEP-ROM Fault

16

Encoder Error 1

Comm error between encoder and servo amplifier

17

Board Error

CPU / Parts Fault

19

Memory Error 3

ROM Memory Fault

1A

Motor Combination Error

Wrong combination of Servo Amp and servo motor

20

Encoder Error 2

Comm error between encoder and servo amplifier

24

Main Circuit Error

Ground Fault occurred at Servo Motor Output (phases U,V, and W) of Servo amplifier

25

Absolute Position Erase

Absolute position data in error. Power was switched on for the first time in absolute position detection mode.

30

Regenerative Error

Permissible regenerative power of the built-in regenerative brake resistor or brake option exceeded. Cooling fan stop.

31

Overspeed

Speed has exceeded instantaneous limit

32

Overcurrent

Current that flew is higher than the permissible current of the servo amplifier

33

Over Voltage

Converter bus voltage exceeded 400V

34

CRC Error

Bus Cable is faulty

35

Command pulse frequency error

Input pulse frequency of the command pulse is too high

36

Transfer Error

Bus cable or printed board is fault

37

Parameter Error

Parameter setting is wrong

45

Main Circuit Device Overheat

Main circuit device overheat

46

Servo Motor Overheat

Servo motor temperature rise actuated the thermal protector.

50

Overload 1

Load exceeded overload protection characteristics

51

Overlaod 2

Machine collision or the like caused max. output current to flow successively for several seconds.

52

Error Excessive

The droop pulse value of the deviation counter exceeded the encoder resolution x 10(pulse) or

The droop pulse value for the deviation counter exceeded the value in parameter no 31

8A

Serial Communication time out

RS-232C or RS-422 communication stopped for longer than the time set in parameter 56 or

RS-232C communication resulted in a time out error.

8E

Serial Communication Error

Serial communication error occurred between servo amp and communication device(plc or pc).

88

Watchdog

CPU, parts faulty

 

 

 

 

90

Zeroing Incomplete

Zeroing or zero setting ended abnormally

92

Open battery cable warning

Absolute position detection system battery voltage low

96

Home Position setting warning

Home position setting could not be made.

9F

Battery Warning

Voltage of batter for absolute position detection system reduced

E0

Excess Regenerative Warning

There is a possibility that regenerative power may exceed permissible regenerative power of built in regenerative brake resistor or regenerative brake option

E1

Overlaod Warning

There is a possibility that overlaod alarm 1 or 2 may occur

E3

Absolute position counter warning

Absolute position encoder pulses faulty

E5

ABS time out

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E6

E-Stop warning

EMG-SG are open

E7

Controller E-Stop warning

Emergency stop command was received from servo controller

E9

Main Circuit off warning

Servo has switched on with main circuit power off

EA

ABS servo on warning

Servo On signal turned on more that 1 sec after servo amplifier had entered absolute position data xfer mode.

EE

SSNET error warning

Servo controller connected to SSCNET is not compatible.