Appendix 2 Explanation of Alarms
MITSUBISHI CNC
470
Y20 Output OFF check error (NC side) 0051 (Unit No.)
Details
Although the output OFF check function turned OFF the dual signal module’s output signals, there is a
feedback input signal which is staying ON.
Remedy
The NC side output transistor may be broken.
The No. of the error module is displayed.
Replace the dual signal module.
Carry out the output OFF check to confirm there is no problem.
Summary of Contents for C70
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Page 18: ...1 1 Outline ...
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Page 22: ...5 2 GOT Initial Setup ...
Page 73: ...2 GOT Initial Setup MITSUBISHI CNC 56 ...
Page 74: ...57 3 PLC CPU Initial Setup ...
Page 91: ...3 PLC CPU Initial Setup MITSUBISHI CNC 74 ...
Page 92: ...75 4 CNC CPU Initial Setup ...
Page 105: ...4 CNC CPU Initial Setup MITSUBISHI CNC 88 ...
Page 106: ...89 5 Connecting and Setting up Multiple CNC CPU Modules ...
Page 115: ...5 Connecting and Setting up Multiple CNC CPU Modules MITSUBISHI CNC 98 ...
Page 116: ...99 6 Setting Machine Parameters ...
Page 130: ...113 7 Setting the Position Detection System ...
Page 153: ...7 Setting the Position Detection System MITSUBISHI CNC 136 ...
Page 154: ...137 8 Deceleration Check ...
Page 159: ...8 Deceleration Check MITSUBISHI CNC 142 ...
Page 160: ...143 9 Setting the Tool Entry Prohibited Range ...
Page 169: ...9 Setting the Tool Entry Prohibited Range MITSUBISHI CNC 152 ...
Page 170: ...153 10 Data Backup and Restoration ...
Page 184: ...167 Appendix 1 Explanation of Parameters ...
Page 435: ...Appendix 1 Explanation of Parameters MITSUBISHI CNC 418 ...
Page 436: ...419 Appendix 2 Explanation of Alarms ...
Page 608: ...591 Appendix 3 Display on 7 segment LED ...
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