Al-1315 (Position Error) - YASKAWA Motoman UP6 Instructions Manual

AL-1315 (POSITION ERROR)

A miscount of the feedback pulses is detected at the servo gun axis.
There may be a defect in the WRCF01 circuit board, the XEI01 circuit board, or
the connecting cable between the two boards.
Replace the XEI01 circuit board.
Replace the WRCF01 circuit board.
Alarm?
Yes
Replace the cable between the WRCF01
circuit board and the XEI01 circuit board.
Contact your Yaskawa
representative.
Remove CN2 on the XEI01 circuit
board and re-insert it.
Yes
Alarm?
Yes
No
Alarm?
Yes
Remove connector CNPG789 on the
WRCF01 circuit board and re-insert it.
Yes
Alarm?
No
No
No
36
An alarm
occurs.
Is something making noise
around the controller?
No Yes
Alarm?
No
Continue normal
operation.
Remove the souce of
the noise, or take a
corrective measure
to reduce the noise.