Leadshine ELD2-RS70 Series - Page 49

49
ELD2-RS70** User Manual
heavy
parameter exceed maximum or not
Oscillation of
machine
Check the machine if oscillation exists
or not
Modify the parameter of control loop;
enlarge acceleration/deceleration time
wiring error of
motor
Check wiring if error occurs or not, if
line breaks or not
Adjust wiring or replace encoder/motor
for a new one
electromagnetic
brake engaged
Check brake terminal voltage
Cut off brake
Error
code
Main
Extra
Display: “ ”
Content: Motor overload/driver overload
Cause
Confirmation
Solution
Power line
connection error
UVW connection error
Check connection of UVW
Over current
Over current
Use another driver with higher rated
power
Error
code
Main
Extra
Display: “ ”
Content: Resistance discharge circuit over-load
Cause
Confirmation
Solution
Regenerative energy has
exceeded the capacity of
regenerative resistor .
Check the speed if it is too
high. Check the load if it is
too large or not.
lower motor rotational speed; decrease load
inertia ,increase external regenerative resistor,
improve the capacity of the driver and motor
Resistance discharge
circuit damage
/
Increase external regenerative resistor, replace
the driver with a new one
Error
code
Main
Extra
Display: “ ”
Content: Leakage triode malfunction
Cause
Confirmation
Solution
Brake circuit failure
Brake resistance short circuit
repair
IGBT damaged
repair
Error
code
Main
Extra
Display: “ ”
Content: encoder line breaked
Cause
Confirmation
Solution
Encoder line disconnected
check wiring if it steady or not
Make encoder wiring steady
Encoder wiring error
Check encoder wiring if it is correct
or not
Reconnect encoder wiring
Encoder damaged
/
replace the motor with a new one
Encoder measuring circuit
damaged
/
replace the driver with a new one
Error
code
Main
Extra
Display: “ ”
Content: Encoder communication error
Cause
Confirmation
Solution