Mitsubishi Electric MDS-E, Instruction Manual

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MDS-E/EH Series Instruction Manual
7 Troubleshooting
423 IB-1501229-F
Sub-
No.
Name Alarm details Investigation details Remedies
54
Safety communication: Initial
communication error 2
A receiving error was detected in the
initial communication for the safety
communication.
Check the safety parameters. Set correctly.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
55
Safety communication:
Communication error 2 A receiving error was detected in the
safety communication.
Check the safety parameters. Set correctly.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
56
Safety parameter setting range
error A setting error was detected in the
safety parameter.
Check the safety parameters. Set correctly.
No abnormality is found in particular. Replace the drive unit.
57
Safety parameter combination
error A combination error was detected in
the safety parameter.
Check the safety parameters. Set correctly.
No abnormality is found in particular. Replace the drive unit.
65 Register diagnosis error
A resister diagnosis error was
detected in the safety function.
The alarm is on the drive unit side. Replace the drive unit.
66
Calculation device diagnosis
error
An error was detected in the
calculation device diagnosis for the
safety function.
The alarm is on the drive unit side. Replace the drive unit.
67 Sequence diagnosis error
An error was detected in the
sequence diagnosis for the safety
function.
The alarm is on the drive unit side. Replace the drive unit.
68 Stack diagnosis error
An error was detected in the stack
diagnosis for the safety function.
The alarm is on the drive unit side. Replace the drive unit.
69 Temperature diagnosis error
An error was detected in the
temperature.
Check if there is any abnormality in
the temperature environment.
Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
71 Watchdog error
The safety function is not operating
correctly.
The alarm is on the drive unit side. Replace the drive unit.
72 Clock diagnosis error
An error was detected in the clock
diagnosis for the safety function.
The alarm is on the drive unit side. Replace the drive unit.
74 DO output compare error
An error was detected in the status of
DO output for the safety function.
The alarm is on the drive unit side. Replace the drive unit.
75 ISC communication error
An error was detected in the inter-
system communication for the safety
function.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
78
Safety communication: Initial
communication error 3
A receiving error was detected in the
initial communication for the safety
communication.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
88 Safety circuit: STO error
An error was detected in the read-
back diagnosis for STO.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.
91 Safety circuit: SBC error
An error was detected in the read-
back diagnosis for SBC.
Check the wiring for motor brakes.
Correctly connect according to the
starting method of the motor brakes.
No abnormality is found in particular. Replace the drive unit.
126
Safety communication:
Communication error 3 A receiving error was detected in the
safety communication.
Check if there is any abnormality in
the unit's ambient environment.
(Ex. Noise, grounding) Take remedies according to the
causes of the abnormality in the
ambient environment.
No abnormality is found in particular. Replace the drive unit.