Troubleshooting - Melec GDB-5K40 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.
Check Item
・Connection of power supply. ・Wiring error with power
・Value of power voltage.
the driver.
・ON/OFF status of the M.F
signal.
・Value of the HOLD CURRENT
SELECT switch.
those under item 2 above.
・Setting of the MOTOR SELECT ・Wrong setting for the MOTOR
switch.
・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.
・ON/OFF status of the C.S
signal.
・Setting of the ROTATE MODE
SELECT switch.
・Setting of the EXTEND
FUNCTION SELECT switch.
-32-
Instructions Manual
Assumed Cause
supply.
・Power voltage failure.
・Driver failure.
・Wiring error with the motor
and the driver.
・The M.F signal is input.
・The setting for HOLD CURRENT
is too low.
・Driver failure.
selection.
・Wrong setting for the pulse
input type.
・Wiring error with the pulse
signal line.
specifications.
・Wrong setting for the step
angle.
・The C.S signal is input.
・Wrong setting for the ROTATE
MODE selection.
・Wrong setting for the EXTEND
FUNCTION selection.
・Driver failure.
・Motor failure.
GDB-5K40