Mitsubishi FREQROL-SFJ Maintenance Manual page 109

Cause
Encoder type oriented
spindle stop function
adjusted improperly
Sync. TAP adjusted
improperly
Trouble with encoder
Trouble with card
SF-ORJ, TLJ or DAJ
Checkup
Check if alarm is removed
when value of parameter
CSP setting is halved.
Check if alarm is removed
when sync. TAP command
time constant is increas-
ed.'
Stop position is valiable
in each oriented spindle
stop (encoder type).
(Check the encoder shaft.)
Check if alarm is removed
when card SF-ORJ, TLJ, or
DAJ is replaced with a new
one.
Remedy
Set parameter
OSP properly.
Set time constant
Replace the en-
coder.
Replace card SF-
ORJ, TLJ or DAJ.