YASKAWA GPD 505/P5 Troubleshooting Manual page 32

Minor Fault
√
506 515
DEV
Speed Deviation
Possible Cause(s):
Corrective Action:
Check the load on the motor, verify the program settings (F1-10 PG
Deviate Level, F1-11 PG Deviate Time. F1-04 PG Deviation Select.
√ √
506 515
CE
Memobus Com Err
Possible Cause(s):
Connection is broken, master has stopped communicating.
Corrective Action:
Check all connections, verify all user side software configurations.
Fault Codes
- Operation continues and the digital operator indication blinks
The fault relay does not activate.
505
The deviation of the speed reference and speed
feedback has exceeded the regulation level.
N/A
A minor fault contact output can be programmed by
using the multi-function outputs.
The load has changed considerably.
505
Transmission error. Control data was not received
ce
normally when the power supply is turned on.
Response may be selected.
PP.P5G5.03.Troubleshoot
Page 32
Rev. 06/11/2003