Mitsubishi MELSEC-Q QD77MS, User Manual

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16 - 56
Chapter 16 Troubleshooting
Classification
of errors
Error code
Servo amplifier
LED display
Name Details name Remarks
50.1 Thermal overload error 1 during operation
50.2 Thermal overload error 2 during operation
50.3 Thermal overload error 4 during operation
50.4 Thermal overload error 1 during a stop
50.5 Thermal overload error 2 during a stop
2050
50.6
Overload 1
Thermal overload error 4 during a stop
51.1 Thermal overload error 3 during operation
2051
51.2
Overload 2
Thermal overload error 3 during a stop
52.3
Excess droop pulse existing between the
model position and the actual servo motor
position
2052
52.4
Error excessive
Maximum deviation at 0 torque limit
2060 1A.1 Motor combination error Motor combination error
2A.1 Linear encoder side error 1
2A.2 Linear encoder side error 2
2A.3 Linear encoder side error 3
2A.4 Linear encoder side error 4
2A.5 Linear encoder side error 5
2A.6 Linear encoder side error 6
2A.7 Linear encoder side error 7
2061
2A.8
Linear encoder error 1
Linear encoder side error 8
Linear servo
motor use
2063 1E.1
Encoder initial
communication error 2
Encoder failure
2064 1F.1
Encoder initial
communication error 3
Incompatible encoder
Servo
amplifier
errors
2088 888 Watchdog —
(Note): The details name is different when using the linear servo motors.
Refer to the "Servo amplifier Instruction Manual" for details.