8 Communication
YASKAWA
SIEP YEACOM 07A 1000-Series Option PROFINET SI-EP3 Technical Manual
37
1021
Comm Error (bUS)
• Check network cable connections.
• Check 24 Vdc power supply voltage
1022
Check option installation and connections.
1023
Cycle drive power and replace option or drive if fault continues.
1024
1025
Out of Control (CF)
• Check motor parameters
• Auto-tune
1027
External Fault 0 (EF0)
• Check PLC program
• Check MI switch setting
• Check option LEDs for fault indication
<1> Drive error code is stored in MEMOBUS/Modbus address 0080 hex.
<2> Not available in V1000-series drives.
Drive Alarm
Code
(hex)
<1>
Description
Corrective Action
