Delta Electronics 230V Series ユーザーズマニュアル

Chapter 6 Fault Code Information|VFD-S Series 

6-4

 

Revision August 2006, SE08, SW V2.61

 

1. 

Check the RS485 connection between the AC 

motor drive and RS485 master for loose wires 
and wiring to correct pins. 

2. 

Check if the communication protocol, address, 

transmission speed, etc. are properly set. 

3. 

Use the correct checksum calculation. 

4. 

Please refer to group 9 in the chapter 5 for 

detail information. 

  Software protection failure 

Return to the factory. 

  Password is locked. 

Keypad will be locked. Turn the power ON after 
power OFF to re-enter the correct password. See 
Pr.0-07 and 0-08. 

 

1.  Check parameter setting (Pr.A-00) and 

AVI/ACI wiring 

2.  Check for possible fault between system 

response time and the feedback signal 
detection time (Pr.A-08). 

 

Phase Loss 

Check input phase wiring for loose contacts. 

 

1. 

Check PID feedback wiring. 

2. 

Check if the parameter setting is properly set.

There are three methods to reset the AC motor drive after solving the fault: 

1. Press 

STOP/RESET

 key on keypad. 

2. 

Set external terminal to “RESET” (set one of Pr.4-04~Pr.4-08 to 06) and then set to be 

ON. 

3. 

Send “RESET” command by communication. 

  

Make sure that RUN command or signal is OFF before executing RESET to prevent damage or 

personal injury due to immediate operation.