Mitsubishi Electric MELSEC Q Series Programming Manual page 522

APPENDICES
Table 1.10 Absolute position system error (1200 to 1299) list (Continued)
Control mode
Error
code
1203
1204
1205
Error cause
• The amount of change in
encoder current value is
excessive during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned ON.
(Q17 DCPU(-S1) use)
• The following expression
holds: "Encoder current
value [pulse] feedback
current value [pulse]
(encoder effective bit
number)" during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned on.
(Q17 DCPU(-S1) use)
• The following expression
holds: "Encoder current
value [pulse] feedback
current value [pulse]
(encoder effective bit
number)" during operation.
A continual check is
performed (both of servo ON
and OFF states) after the
servo amplifier power has
been turned on.
APP - 31
Error
Corrective action
processing
• Check the motor and encoder
cables.
Home
position
return
request ON
Operation
continues.
(Home
position
return signal
does not turn
ON.)