10-7 Trips & Fault Finding    
AC30V series Variable Speed Drive 
Possible Reason for Error 
1301  Modbus server 
•  Record the error message and contact Technical Support 
1302 
HTTP server fault 
•  Record the error message and contact Technical Support 
1303  DCT server fault 
•  Record the error message and contact Technical Support 
1401 
1402 
Control Module test 
•  Control module self-test error 
1403 
1404 
Power stack test 
•  VCM not secured to power stack 
•  Power stack self-test error 
1501 
1502 
1503 
IO Option identity 
IO Option processor 
Unknown IO Option 
•  Ensure the IO option is correctly fitted 
•  Update the firmware in the AC30. 
•  Replace the IO option 
1502  IO Option processor 
•  Ensure the IO option is correctly fitted 
•  Update the firmware in the AC30. 
•
Replace the IO option 
1503 
Unknown IO Option 
•  Ensure the IO option is correctly fitted 
•  Update the firmware in the AC30. 
•  Replace the IO option 
1504  IO Option watchdog 
•  The IO Option has become disconnected 
1601  Stack internal fault 
•  Return the power stack to Parker Hannifin repair center.