Yaskawa GPD 506/P5 Section Three - Manual (Page 18)

PP.P5G5.03.Troubleshoot
Page 18
Rev. 06/11/2003
ef2 External fault at the multi-function input terminal
number S2.
Possible Cause(s): An external fault condition exists at terminal S2.
Corrective Action: Check for an external condition at terminal S2, verify the program
parameters.
ef0 External fault from serial communication.
Possible Cause(s): An external fault condition exists.
Corrective Action: Check for an external condition, verify the program parameters.
505
EF0
External Fault
Fault Codes
Major Fault
- Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
506
√
515
√
506
√
515 505
EF2
External Fault