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Chapter 16 Troubleshooting
16.4 List of errors
The following table shows the error details and remedies to be taken when an error
occurs.
16.4.1 QD77MS detection error
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
— 000 (Normal status) — —
Fatal errors
001 Faults
Hardware is faulty. The system stops.
002 Internal circuit fault
Common
errors
101
PLC READY OFF
during operation
The PLC READY signal [Y0] is turned OFF
during operation.
The system stops with the setting
(deceleration stop/sudden stop) of the
detailed parameter 2 Sudden stop selection
(stop group 2).
(Note that the deceleration stop only occurs
during the manual pulse generator operation.)
102
Servo READY signal
OFF during operation
The servo READY signal is turned OFF
during operation.
During operation: The system stops
immediately.
103
Test mode faults during
operation
The personal computer cannot
communicate with the CPU module.
The system stops with the setting
(deceleration stop/sudden stop) of the
detailed parameter 2 Sudden stop selection
(stop group 2).
(Note that the deceleration stop only occurs
during the manual pulse generator operation.)
104
Hardware stroke limit
(+)
The hardware stroke limit (upper limit
signal FLS) is turned OFF during operation.
The system stops with the setting
(deceleration stop/sudden stop) of the
detailed parameter 2 Sudden stop selection
(stop group 1).
(Note that the deceleration stop only occurs
during the manual pulse generator operation.)
Start is requested when the hardware
stroke limit (upper limit signal FLS) is
turned OFF.
The system does not start.
105
Hardware stroke limit
(–)
The hardware stroke limit (lower limit signal
RLS) is turned OFF during operation.
The system stops with the setting
(deceleration stop/sudden stop) of the
detailed parameter 2 Sudden stop selection
(stop group 1).
(Note that the deceleration stop only occurs
during the manual pulse generator operation.)
Start is requested when the hardware
stroke limit (lower limit signal RLS) is
turned OFF.
The system does not start.
106 Stop signal ON at start
Start is requested when a stop signal is
turned ON.
The system does not start.