8 Error handling
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72
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Alarm list
When an alarm occurs, the controller will perform one of the following two operations based on software control via the CPU:
Operation 1: Cut off the motor current and actuate the electromagnetic brake.
Operation 2: Stop the motor.
•
No. of ALARM LED blinks: 2
Description Display
Operation
Causes Action
ACL
Controller
overheat
Err21 Over
Heat
1
The controller’s heat-sink
temperature reached
approx. 85 °C (185 °F).
Check the operating condition of the
motorized actuator and the ventilation
condition inside the enclosure.
Valid
Overload
Err30 Over
Load
1
A load exceeding the
maximum thrust force was
applied for five seconds or
more.
Reduce the load or decrease the
acceleration.
Valid
Overspeed
Err31 Over
Speed
1
The motor speed exceeded
5500 r/min.
An unanticipated load may have been
applied during operation. Check the
load.
Valid
•
No. of ALARM LED blinks: 3
Description Display
Operation
Causes Action
ACL
Overvoltage
Err22 Over
Voltage
1
The DC voltage of the main
circuit is too high.
Reduce the load or decrease the
acceleration.
Valid
Main power OFF
detection
Err23 Main
Power Off
1
Main power OFF detection
Check to see if the main power is input
correctly.
Valid
•
No. of ALARM LED blinks: 4
Description Display
Operation
Causes Action
ACL
Excessive
position deviation
Err10 Pos
Over Flow
1
The deviation between the
command position and
actual position exceeded
three motor shaft
revolutions.
Reduce the load or decrease the
acceleration.
Valid
•
No. of ALARM LED blinks: 5
Description Display
Operation
Causes Action
ACL
Overcurrent
Err20 Over
Current
1
The motor cable was
shorted.
Check the motor cable and its
connection to the controller.
Invalid
•
No. of ALARM LED blinks: 6
Description Display
Operation
Causes Action
ACL
Emergency stop
Err68 EMG
Error
1
An emergency stop input
was detected.
•
Release the emergency stop button
on the teaching pendant.
•
If no teaching pendant is connected,
check if the pendant switch is OFF.
•
The fuse of the teaching pendant
has blown. Please call our Technical
Support Line or contact your nearest
Oriental Motor branch or sales
office.
Invalid
Summary of Contents for EZ limo ESMC-A2
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