List Of Errors - Mitsubishi Electric MELSECQ Series User Manual

13 TROUBLESHOOTING

13.2 List of errors

Error
code
000 Normal status
100 Faults
101 QD70 not prepared
102 Stop signal ON at start
103 Software stroke limit +
104 Software stroke limit -
Programmable controller
105 READY OFF during
operation
Programmable controller
110
READY OFF during writing
Start during near-point dog
201
ON
202 Zero signal ON
203 Machine OPR not execute
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The following table shows the error details and remedies to be taken when an error
occurs.
Error name
Hardware is faulty.
Start was made when the QD70 was not ready.
A start request was given when the axis stop signal
(Y10 to Y17) is ON.
• Positioning control was carried out in a position in
excess of " Pr. 1 Software stroke limit upper limit
value".
• " Md. 1 Current feed value" or " Da. 6 Positioning
address/movement amount" (New current value) has
exceeded " Pr. 1 Software stroke limit upper limit
value".
• Positioning control was carried out in a position in
excess of " Pr. 2 Software stroke limit lower limit
value".
• " Md. 1 Current feed value" or " Da. 6 Positioning
address/movement amount" (New current value) has
exceeded " Pr. 2 Software stroke limit lower limit
value".
The Programmable controller READY signal (Y0)
turned OFF during operation.
The Programmable controller READY signal (Y0)
turned OFF immediately after turning ON.
With " OPR. 1 OPR method" being any of near-point
dog method, count 1 and count 2, machine OPR
control was started when the near-point dog was ON.
With " OPR. 1 OPR method" being either of stopper 2
and stopper 3, the zero signal is input when machine
OPR control is started.
Fast OPR control was started though machine OPR
control was not yet carried out.
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Error
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The system stops
Start is not made.
At start: Start is not made.
At current value changing analysis:
Current value changing is not made.
During operation:
• During speed control (including speed
control of speed-position switching control)
or JOG operation, the axis decelerates to a
stop as soon as " Md. 1 Current feed value"
exceeds the software stroke limit range.
• During position control (including position
control of speed-position switching control),
the axis decelerates to a stop as soon as
" Md. 1 Current feed value" or " Da. 6
Positioning address/movement amount"
exceeds the software stroke limit range.
The axis decelerates to a stop.
Machine OPR control is not carried out.
Fast OPR control is not exercised.
MELSEC-Q
Operation status at error occurrence
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