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7. Troubleshooting
Alarms below are abstract of representative examples.
For other alarms, see operation manual of controller.
No.
Phenomenon
Cause
Countermeasure
1
Fail 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.
Check if the cable is properly
installed /
/See 4.Wiring of cable on page 26
2) The load/resistance being
applied to the actuator constantly
exceeds the actuators
specification
Keep load and resistance within
specification range.
Check the actuator mounting
condition or check if external force
adds the resistance of actuator table
by using movable cable-duct.
/See 2.1 Specifications on page 9
3) The combination of the
controller and actuator is not
correct.
The controller and the actuator
combination at the time of shipment
should not be changed.
/See 5.3
Caution(1) on page 28
4) Excessive external force is
being applied, (including vibration)
or impact load.
Operate within the specified range.
/See 2.1 Specifications on page 9
5) The flatness of work piece and
the mounting surface exceeds the
specified range.
Operate within the specified range.
/See 2.1 Specifications on page 9
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
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 operation
before the “return to origin”.
Provide the operation instruction
after confirming that the input signal
[SETUP] is ON and then the output
signal [SETON] is ON.