EURA SD20-G Series, Manual

Page: 334 / 353

SD20-G Series
334
1. Check whether U/V/W wiring is correct.
2. If wiring is correct, study motor angle,
referring to chapter 7.2.
Rotation is not
smooth at low
speed.
Rotation is not
steady at low speed. Gain is set
improperly.

Adjust gain according to chapter 7.
Motor shaft vibrates
side to side.
Rotation inertia
ratio (Po013) is
too high.

If servo drive runs safely, please
recognize inertia again according to
chapter 7.3.
Adjust gain according chapter 7.
9.2 Alarm code and possible cause
Code Alarm code Alarm name Possible Cause
1 AL-01 Overcurrent Output short-circuit or module malfunction
2 AL-02 Overvlotage Main circuit DC voltage is too high.
3 AL-03 Undervoltage Main circuit Dcvoltage is too low
4 AL-04 Hardware fault Hardware failure inside drive
5 AL-05
Electric angle
recognition error
Motor line sequence error
6 AL-06 Overload High current is ouput for long time.
7 AL-07 Overspeed Speed is too high
8 AL-08 Reserved
——
9 AL-09
Large position control
error
Position loop trace error overflow
10 AL-10 Encoder fault Servo motor failure
11 AL-11 Emergency stop External emergency stop terminal is valid
12 AL-12 Servo drive overheat Temperature of servo drive radiator is too high
13 AL-13 Input phase loss
In the state of power supply connection of main
circuit, the voltage of one phase in three-phase
power supply is too low.
14 AL-14
Regenerative braking
error
Brake parameters aren’t set correct or continuous
brake time is too long.
15 AL-15
—— ——
16 AL-16
Repeat setting of input
terminal
Repeat setting of input terminal
17 AL-17
Disconnected encoder
cable
Disconnection of servo encoder line
18 AL-18
Rotary inertia
recognition fault
Alarm when wrong rotary inertia recognition
19 AL-19
Alarm of encoder
battery
Battery alarm of servo encoder
20 AL-20 Uninitialized E2ROM Unintialized of E2ROM for servo motor
21 AL-21 Large zero drift Servo drive zero drift is too large
22 AL-22 Z signal lost
Z signal is not detected after encoder rotates 3