8-5              
 
Alarm Status Digital Output 
Alarm 
Code 
Alarm Name 
and Description 
Corrective Actions 
Reset
Method
CN1-25 
BB/A3 
CN1-24 
ST/A2 
CN1-23
PC/A1
CN1-22
LM/A0
Motor over speed 
12 
Motor’s speed is 
1.5 times more 
then motor’s rated 
speed. 
1. Reduce the speed  command.  
2. Electronic gear ratio is  incorrect 
    check  and set correctly.  
3. Adjust speed loop gains (Sn211 & 
Sn213) for a better motor 
response. 
Turn 
ALRS 
(DI) 
ON 
0 0 1 1 
CPU Error 
13 
Control system 
Mal-function. 
Turn off the power. Turn on again after 
30min. If error alarm still exists,  this 
may be due to external interference. 
Refer to the chapter 2 Motor 、 power 
cable and control signals connections.
Reset 
Power
Supply
0 0 1 0 
Drive disable  
14 
When input 
contacts 
CCWL & CWL 
are operated at the 
same time this 
alarm occurs. 
1. Remove input contact signal  
CCWL  or CWL. 
2. Check all input wiring for correct 
   connections. 
3. For the selected High /Low logic 
   potential  settings refer to Section 
    5-6-1. 
Turn 
ALRS 
(DI) 
ON 
0 0 0 1 
Drive overheat 
15 
Power transistor 
temperature 
exceed 90°C.  
Over-load for a long duration will 
cause driver overheat,  check and 
reset operation system. 
Turn 
ALRS 
(DI) 
ON 
0 0 0 0 
Absolute 
Encoder Battery 
error 
16 
Battery module 
remove or battery 
voltage is lower 
than 3.2V  
Make sure if battery module is 
removed, power supply is losing, or 
battery is power shortage and requires 
replacing.   
Turn 
ALRS 
(DI) 
ON 
1 0 1 0