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MITSUBISHI CNC
Appendix 2 Explanation of Alarms
Power supply alarms
0061 Pw sply: Pwr module overcurnt
Details
Overcurrent protection function in the power module has started its operation.
- LED display: 1
0062 Pw sply: Frequency error
Details
The input power supply frequency increased above the specification range.
- LED display: 2
0066 Process error
Details
An error occurred in the process cycle.
- LED display: 6
0067 Pw sply: Phase interruption
Details
An open-phase condition was detected in input power supply circuit.
- LED display: 7
0068 Pw sply: Watchdog
Details
The system does not operate correctly.
- LED display: 8
0069 Pw sply: Grounding
Details
The motor power cable is in contact with FG (Frame Ground).
- LED display: 9
006A Pw sply: Ext contactor weld
Details
A contact of the external contactor is welding.
- LED display: A
006B Pw sply: Rush relay welding
Details
An error was detected in the rush circuit.
- LED display: b
006C Pw sply: Main circuit error
Details
An error was detected in charging operation of the main circuit capacitor.
- LED display: C
006D Pw sply: Parameter error
Details
An error was detected in the parameter sent from the drive unit.
- LED display: d
006E Pw sply: Memory error
Details
An error was detected in the internal memory.
An error was detected in the A/D converter.
An error was detected in the unit identification.
- LED display: E
534
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Troubleshooting
