Autonics AiCA Series, User Manual

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13 Protection Function
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2) Motor stops, torque maintains and brake releases
No. of
flashing Alarm type Desctiptions
Causes Troubleshooting
14 (
EE
) Emergency
stop
When emergently
stopped with
emergency stop
command
1. When emergency stop
enters
1. Check EMG signal.
2. Check Active Level Setting of
EMG signal.
15 (
EF
) Program
mode error
When 'END'
command does
not exist at the
last step
1. If there is no ‘END’
instruction at the last
step of the program
2. If there is an empty step
in the middle of the
program.
1. Add ‘END’ command at last step
of program.
2. Remove an empty step in
middle of a program.
16 (
EG
) Index mode
error
When other
instruction is used
but 'INC', 'ABS'
When index
command is not
completed due to
the stop
command
1. When running a step
with commands other
than ‘INC’ and ‘ABS’.
2. When entering the stop
command during
driving on index mode
1. Check whether the command of
the step is ‘INC’ or ‘ABS’
2. Check that the selected step
number is correct.
17 (
EH
) Home search
mode error
When failed to
find home
1. If there is no ‘ORG’ or
‘+/- Limit’ input
2. If load above the set
value is not applied
(torque home search)
3. When a stop command
is issued during home
search operation
1. Check if the ORG signal is
correctly input (general home
search)
2. Check if the +/- Limit signal is
correctly input (limit home
search)
3. Check if the +/- Limit signal is
correctly set with the motor
rotation direction.
(CW direction: +Limit,
CCW direction: -Limit)
4. Change the value of the Home
search Torque parameter
(torque home search)
(3) Motor stops, torque maintains and brake locks
No. of
flashing Alarm type Desctiptions
Causes Troubleshooting
18 (
EJ
) Brake error
When brake failed
to operate
1. If there is no auxiliary
power applied
2. Brake connector or
cable connection error
3. Brake is damaged
1. Check auxiliary power
2. Check brake connector and
cable
3. Replace brake motor