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15 TROUBLESHOOTING
LED
Classifica
Error
indicator
tion of
code
of servo
errors
amplifier
2033
33
2034
34
2035
35
Servo
amplifier
errors
2036
36
2037
37
Error name
Converter bus voltage exceeded
Overvoltage
35VDC.
CRC error
SSCNET cable communication fault
Command pulse
Input frequency of too high.
frequency error
Transfer error
Bus cable or printed board is faulty.
Parameter error Parameter setting is wrong.
Description
15 - 70
MELSEC-Q
Cause
Power supply voltage high.
The SSCNET cable is
disconnected.
SSCNET cable fault.
Noise has entered the SSCNET
cable.
The terminal connector is
disconnected.
The same No. exists in the servo
amplifier side axis setting.
Command given is greater than the
maximum speed of the servomotor.
Noise has entered the SSCNET
cable.
Fault in the QD75M.
The SSCNET cable is
disconnected.
The SSCNET cable fault.
Printed circuit board fault.
The terminal connector is
disconnected.
Servo amplifier fault caused the
parameter setting to be rewritten.
Parameter data mis-setting by
QD75M.
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