FEC AFC1500 - Manual (Page 164)

Chapter 9: Troubleshooting
Page 9-10
9.8 Multi Unit Control Error
9.8.1 Code 7-0 START SIGNAL TIMING ERROR
The controller received a start signal from the MULTI Unit or PLC while the SAN Unit was
busy.
This abnormal is caused from;
1. Not enough time delay between a reverse operation and a forward operation.
2. SAN controller failure.
3. Not enough time delay between fastening Steps.
RECOVERY:
1. Add a minimum of 0.2 sec delay from a reverse operation to a forward operation.
2. Replace the SAN controller.
9.8.2 Code 7- 1 REVERSE SIGNAL TIMING ERROR
The controller received a reverse signal from the MULTI Unit or PLC while the SAN Unit was
busy.
This abnormal is caused from;
1. Not enough time delay between a reverse operation and a forward operation.
2. SAN controller failure.
3. Not enough time delay between fastening Steps.
RECOVERY:
1. Add a minimum of 0.3 sec delay from a reverse operation to a forward operation.
2. Replace the SAN controller.