YASKAWA GPD 505/P5 - DEV Speed Deviation; ERR EEPROM R;W Err

PP.P5G5.03.Troubleshoot
Page 19
Rev. 06/11/2003
505
Fault Codes
Major Fault - Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
EEPROM internal data does not match the value in
RAM when setting a parameter.
ERR
EEPROM R/W Err
N/A
Possible Cause(s): Control board hardware failure.
Corrective Action: Cycle power, replace the control board.
The deviation of the speed reference and speed
feedback has exceeded the regulation level.
A minor fault contact output can be programmed by
using the multi-function outputs.
DEV
Speed Deviation
N/A
Possible Cause(s): The load has changed considerably.
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 √