Troubleshooting - Melec ADB-2F30BA Instruction Manual

８－２．Troubleshooting
Trouble
1. POWER LED does not
come on.
2. The motor is not excited. ・Connection of the motor to
(It can be easily
rotated by hand.)
3. The motor does not rotate. ・The same check items as
The motor behaves
abnormally.
The motor steps out.
4. The motor steps out
during acceleration.
5. The motor generates
excessive heat.
(1) Short-circuiting of the motor output connector may cause the driver to fail.
●The motor output connector and the power line.
●The motor output connector and the motor output connector.
(2) Disconnection of the motor output line may cause the driver to fail.
●Disconnection of the motor output line cable.
●Loose connection of connector.
(3) When a large inertial load (motor rotor inertia x 5 or more)is operated at
high speed(rotational speed 20s
generate and increase the power supply voltage,which can damage the driver.
Review the operating condition and make sure regenerative voltage will not
generate.
When the failure phenomenon cannot be remedied, contact our office.
Check Item
・Connection of power supply. ・Wiring error with power
・Value of power voltage.
the driver.
・ON/OFF status of the M.F
signal.
those under item 2 above.
・Setting of the PULSE INPUT
TYPE SELECT switch.
・Connection of the pulse
signal.
・Voltage and wave form of the ・Pulse signal of wrong
pulse signal.
・Setting of the DRIVE CURRENT ・DRIVE CURRENT is too low.
SELECT switch.
・Setting of the STEP ANGLE
SELECT switch.
・Starting pulse speed.
・Acceleration time.
・Setting of the DRIVE CURRENT ・DRIVE CURRENT is higher than
SELECT switch.
・Value of the HOLD CURRENT
SELECT switch.
-1
or more),regenerative energy will
-27-
Instructions Manual
Assumed Cause
supply.
・Power voltage failure.
・Driver failure.
・Wiring error with the motor
and the driver.
・The M.F signal is input.
・Driver failure.
・Wrong setting for the pulse
input type.
・Wiring error with the pulse
signal line.
specifications.
・Wrong setting for the step
angle.
・Driver failure.
・Motor failure.
・Starting pulse signal speed
is too high.
・Acceleration time is too
short.
the setting for the
applicable motor.
・The setting for HOLD CURRENT
is too high.
ADB-2F30BA