Drive faults, Communications fault, E7 drive faults – Yaskawa E7 Apogee FLN User Manual
Page 52: Troubleshooting a-8

Troubleshooting A-8
Drive Faults
!
Communications Fault
Table A.6 - Drive Faults
Fault
Description
Cause
Corrective Action
CE Communication
Error
Connection is broken or master has
stopped communicating
Check all connections
Verify all APOGEE FLN software configurations
!
E7 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
Modbus 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