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8. Troubleshooting
Alarms below are abstract of representative examples.
For other alarms, see operation manual of controller.
No.
Phenomenon
Cause
Countermeasure
1
Fall to operate
/ Initial stage
When power is supplied, alarm
for “Phase Det ALM
/code: 1-193” is generated.
↓
<Procedure of restart>
“Turn the power supply off.”
↓
“Turn the power supply on”
1) The cable is not connected or
has been disconnected
Confirm that the cable is
connected correctly.
/See 5. Wiring of cable on p. 35
2) The load / resistance being
applied to the actuator
constantly exceeds the
actuators specification.
Keep the load / resistance within
specified range.
/See 2.1 Specifications on p.9-10
/See 3.1 Specifications on p.13-14
3) The combination of the
controller and actuator is not
correct.
The controller and actuator
combination at the time of
shipment should not be
changed.
/See 6.3
Caution (1) on p.38
4) Excessive external force is
being applied, (including
vibration) or impact load.
Operate within the specified
range.
/See 2.1 Specifications on p.9-10
/See 3.1 Specifications on p.13-14
5) The tightening torque when the
work piece and the actuator
body are mounted exceeds the
specified range.
Keep the tightening torque within
specified range.
/See 7.3 Mounting
Caution (1),(2) on p.45
6) The flatness of work piece and
the mounting surface exceeds
the specified range.
Keep the flatness within specified
range.
/See 7.3 Mounting
Caution (3) on p.46
Alarm for “Step data ALM1
/code:1-048” is generated
↓
<Procedure of restart>
Input the “RESET” signal.
Setting condition for step
data is not correct.
< Correct set condition >
(1)Area 1 < Area 2
(2)
Trigger LV
≦
Pushing force
(3) Pushing speed
≦
Speed
(4) Pushing force
≧
Min. pushing
force (20 %)
Review the content of step data.
/ Refer to the LEC controller
operation manual.
Alarm for “Servo off ALM
/code: 1-098” is generated
↓
<Procedure of restart>
Input the “RESET” signal.
Perform the “Return to origin”, the
positioning operation and JOG
operation during the “SVON”:
OFF.
Provide the operation instruction
after confirming that the input
signal [SVON] is ON and then the
output signal [SVRE] is ON.
Alarm for “Drive ALM
/code: 1-099” is generated.
↓
<Procedure of restart>
Input the “RESET” signal.
Perform positioning, pushing
operation before the”retun to
origin”.
Provide the operation instruction
after confirming that the input
signal [SETUP] is ON and then the
output signal [SETON] is ON.