Mitsubishi QD75M4 User Manual

15 - 40
MELSEC-Q
15 TROUBLESHOOTING
Classif-
cation of
errors
Error
code
LED
indicator
of servo
amplifier
Error name Description Cause
Command given is greater than the
maximum speed of the servomotor.
Noise has entered the SSCNET
cable.
2035 35
Command pulse
frequency error
Input frequency of too high.
Fault in the QD75M.
The SSCNET cable is
disconnected.
The SSCNET cable fault.
Printed circuit board (H-C10) fault.
2036 36 Transfer error
SSCNET cable or printed board is
faulty.
The terminal connector is
disconnected.
Servo amplifier fault caused the
parameter setting to be rewritten.
2037 37 Parameter error Parameter setting is wrong.
Parameter data mis-setting by
QD75M.
2042 42 Feedback error
The motor encoder signal is
abnormal.
The motor encoder fault.
Air cooling fan of servo amplifier
stops.
The power supply was turned on
and off continuously by overloaded
status.
2045 45
Main circuit
device over
heated
Main circuit device overheat
Servo amplifier abnormal.
Servo motor ambient temperature
exceeded the operating value of
40°C.
Servomotor overloaded.
2046 46
Servomotor
heated
Servo motor temperature rise
actuated the thermal protector.
Thermal protector in encoder is
faulty.
The current exceeded the
continuous output current of the
servo amplifier.
The servo system is unstable,
causing hunting.
Collision with the machine.
Servo
amplifier
errors
2050 50 Overload 1
Load exceeded overload protection
characteristic of servo amplifier.
Load ratio 300%: 2.5s or more
Load ratio 200%: 100s or more
Servo motor miswiring servo
amplifier terminals U, V, W phase
do not mach motor terminals U, V,
W phase.

Mitsubishi QD75M4 Specifications

General

Brand	Mitsubishi
Model	QD75M4
Category	Controller
Language	English