Melec GDB-5F40, Instruction Manual

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Instructions Manual
８－２．Troubleshooting
1. POWER LED does not ・Connection of power supply. ・Wiring error with power
come on. supply.
・Value of power voltage. ・Power voltage failure.
・Driver failure.
2. The motor is not excited. ・Connection of the motor to ・Wiring error with the motor
(It can be easily the driver. and the driver.
rotated by hand.) ・ON/OFF status of the M.F ・The M.F signal is input.
signal.
・Value of the HOLD CURRENT ・The setting for HOLD CURRENT
SELECT switch. is too low.
・Driver failure.
3. The motor does not rotate. ・The same check items as
The motor behaves those under item 2 above.
abnormally. ・Setting of the MOTOR SELECT ・Wrong setting for the MOTOR
The motor steps out. switch. selection.
・Setting of the PULSE INPUT ・Wrong setting for the pulse
TYPE SELECT switch. input type.
・Connection of the pulse ・Wiring error with the pulse
signal. signal line.
・Voltage and wave form of the ・Pulse signal of wrong
pulse signal. specifications.
・Setting of the DRIVE CURRENT ・DRIVE CURRENT is too low.
SELECT switch.
・Setting of the STEP ANGLE ・Wrong setting for the step
SELECT switch. angle.
・ON/OFF status of the C.S ・The C.S signal is input.
signal. ・Driver failure.
・Motor failure.
4. The motor steps out ・Starting pulse speed. ・Starting pulse signal speed
during acceleration. is too high.
・Acceleration time. ・Acceleration time is too
short.
5. The motor generates ・Setting of the MOTOR SELECT ・Wrong setting for the MOTOR
excessive heat. switch. selection.
・Setting of the DRIVE CURRENT ・DRIVE CURRENT is higher than
SELECT switch. the setting for the
applicable motor.
・Value of the HOLD CURRENT ・The setting for HOLD CURRENT
SELECT switch. is too high.
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.
When the failure phenomenon cannot be remedied, contact our office.
Trouble Assumed Cause Check Item
-28-