Troubleshooting - YASKAWA J1000 Technical Manual

7 Troubleshooting

Problems with the option interface may trigger an operator error.
Refer to the J1000 Technical Manual for all other errors.
◆
Fault
LED Operator
Display
Cause
Data not received
within the CE
detection time
limit set in
parameter H5-09.
This is possibly
due to noise or a
improperly
connected
communication
cable.
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
MEMOBUS/Modbus Communication
CE
Error
Possible solutions
• Check for improper wiring or loose cables.
• Make sure the unit is properly grounded.
• Reconnect leads running to the main
circuit in the drive. Make sure the DIP
switch for terminal resistance is set
appropriately.
• Make sure the DIP switch for terminal
resistance is set appropriately.
7 Troubleshooting
Minor Fault Name
23