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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
The display unit is distance (mm)
due to the controller setting
software.
When
the
controller
setting
software/version is below 1.1, the
display unit is distance (mm), but
the product recognizes it as an
angle(°)
If it is necessary to change it to
the angle display, please upgrade
the controller setting software.
To upgrade the software, please
go to the operation manual page
of SMC website.
http://www.smcworld.com/
2
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.
Confirm that the cable is
connected correctly.
/See 4. Wiring of cable on p. 33
2) The load/resistance being
applied to the actuator
constantly exceeds the
actuators specification.
Keep the load/resistance within
the specified range.
/See Specifications on p.10 ,p14
3) The combination of the
controller and the rotary
actuator is not correct.
The controller and rotary
actuator combination at the
time of shipment should not
be changed.
/See 5.3
Caution(1) on p.36
4) Excessive external force is
being applied, (including
vibration) or impact load.
Operate within the specified
range.
/See 2.1 Specifications on p.9
Release the warm using the
manual override.
/See 6.2
Caution(5) on p.40
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 (40 %)
Review the content of step data.
/ Refer to the LEC controller
operation manual.
Ala
rm for “Servo off ALM
/code: 1-
098” is generated
↓
<Procedure of restart>
Input the “reset signal.”
Perform positioning, pushing
operation, return to origin
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.
“ORIG direction” cannot be change.
After the
“ORIG direction”is
changed,
the controller power
supply has not been turned OFF.
Become effective after restarting
the controller.
/See “Initial setting for the ORIG
parameters” on p.32
Summary of Contents for LER Series
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