GDB-5K30
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.
・Setting of the ROTATE MODE
・Wrong setting for the ROTATE
SELECT switch.
MODE selection.
・Setting of the EXTEND
・Wrong setting for the EXTEND
FUNCTION SELECT switch.
FUNCTION selection.
・Driver failure.
・Motor failure.
Trouble
Check Item
Assumed Cause
-32-