Yaskawa P7 Metasys N2 - Manual (Page 47)

Troubleshooting – A - 9
Drive Faults
Communications Fault
Table A.6 - Drive Faults
Fault Description Cause Corrective Action
CE Memobus Communication Error
Connection is broken or master has
stopped communicating Check all connections
Verify all Metasys N2 software configurations
P7U Drive Faults
Table A.7 - Description of Fault Numbers
Fault Number Description
1 DC Bus Fuse Open (PUF)
2 DC Bus Under Voltage (UV1)
3 Control Power Supply Under Voltage (UV2)
4 MC Answerback (UV3)
5 Short Circuit Fault
6 Ground Fault (GF)
7 Over Current (OC)
8 DC Bus Over Voltage (OV)
9 Overheat Fault (OH)
10 Overheat 1 Fault (OH1)
11 Motor Overload (OL1)
12 Inverter Overload (OL2)
13 Over Torque Detection 1 (OL3)
14 Over Torque Detection 2 (OL4)
15 N/A
16 N/A
17
External Fault 3 (EF3)
18 External Fault 4 (EF4)
19 External Fault 5 (EF5)
20 External Fault 6 (EF6)
21 External Fault 7 (EF7)
22 External Fault 8 (EF8)
23 Drive Fan Fault
24 Over Speed Fault
25 N/A
26 N/A
27 N/A
28
Output Phase Loss (LF)
29 Overheat 3 (OH3)
30 Operator Connection Fault (OPR)
31 Err Fault
32 Overheat 4 Fault (OH4)
33 Memobus Com Error (CE)
34 N/A
35 N/A
36 N/A
37 N/A
38 N/A
39
External Fault 0 (EF0)
40 PID Feedback Loss
41 N/A
42 N/A
43 N/A