Chapter 14 Fault Codes and DescriptionsC2000-HS 
 
14-33
ID*  Display on LCM Keypad  Fault Name  Fault Descriptions 
58 
 
MODBUS transmission 
time-out   
(CE10) 
MODBUS transmission time-out occurs 
Action and Reset 
Action level  When the communication time exceeds the detection time for Pr.09-03 time-out. 
Action time  Pr. 09-03 
Fault treatment parameter 
Pr. 09-02 
0: Warn and continue operation 
1: Warn and ramp to stop 
2: Warn and coast to stop 
3: No warning and continue operation 
Reset method  Manual reset 
Reset condition  Immediately reset 
Record  Yes 
Cause  Corrective Actions 
The upper unit does not transmit 
the communication command 
within Pr.09-03 setting time. 
Check if the upper unit transmits the communication command within the setting 
time for Pr.09-03. 
Malfunction caused by interference 
Verify the wiring and grounding of the communication circuit. It is recommended 
to separate the communication circuit from the main circuit, or wire in 90 degree 
for effective anti-interference performance. 
Different communication setting 
from the upper unit 
Check if the setting for Pr.09-02 is the same as the setting for the upper unit. 
Disconnection or bad connection 
of the cable 
Check the cable and replace it if necessary. 
 
ID*  Display on LCM Keypad  Fault Name  Fault Descriptions 
60 
 
Brake transistor error 
(bF) 
The brake transistor of the motor drive is abnormal. (for 
the models with built-in brake transistor) 
Action and Reset 
Action level  Hardware detection 
Action time  Immediately act 
Fault treatment parameter  N/A 
Reset method  Manual reset 
Reset condition  Immediately reset 
Record  Yes 
Cause  Corrective Actions 
Hardware error 
1.  Press “RESET” key to go back to the default. If bF still exists, return to the 
factory for repair.     
2.  Power off the motor drive since the internal circuit is abnormal. Use a meter 
to check if it is short-circuit between B2 to DC-. If short-circuit exists, return 
to the factory for repair. 
Malfunction caused by interference Verify wiring/grounding of the main circuit to prevent interference. 
Using the incorrect brake resistor  Check if the resistance value of the brake resistor matches to the drive.   
Incorrect wiring of the brake 
resistor 
Refer to the optional accessories instruction in chapter 7, and verify the wiring.