Mitsubishi Electric MELSEC-Q QD75M User Manual page 695

15 TROUBLESHOOTING
Classification Error
of errors code
Home position return
995 (OPR) torque limit
value error
Parameter
setting range
errors
Speed designation
997 during home position
(OP) shift error
Home position return
1201
(OPR) data incorrect
1203 Encoder error 1
Encoder
errors
1204 Encoder error 2
Error name
• The set range of the home position
return (OPR) detailed parameter "
Home position return (OPR) torque
limit value" is outside the setting
range.
• The home position return (OPR)
detailed parameter "Home position
return (OPR) torque limit value" has
exceeded the detailed parameter 1
"Torque limit setting value".
The set range of the home position
return (OPR) detailed parameter
"Speed designation during home
position (OP) shift" is outside the
setting range.
The backup data for absolute position
restoration is illegal.
The change amount of the encoder
current value during operation is
shown below.
"Change amount of the encoder
current value/ 3.5 [ms] > Motor 180° "
Check any time (both servo ON/OFF)
after the servo amplifier is turned ON.
The following equation is established
during operation.
"Encoder current value (encoder raw
data) [PLS]
(data inside servo amplifier) [PLS]
(number of encoder significant bits)"
Check any time (both servo ON/OFF)
after the servo amplifier is turned ON.
Error
Feedback current value
15 - 32
MELSEC-Q
Operation status at error occurrence
The QD75 READY signal (X0) is not
turned ON.
Continue the operation.