−
70
−
Protective Functions
Protection
Absolute
system
down error
Absolute encoder
counter overflow
Absolute encoder
overspeed error
* Absolute
encoder
single-turn
counter error
* Absolute
encoder multi-
turn counter
error
Absolute
encoder
status error
Full close
selection
error
* Other error
error
* Other error
Alarm
Code No.
40
41
42
44
45
47
97
Numbers
other than
the above
Cause
The power of the encoder is out.
The data of the multi-turn counter of the
encoder exceeds the specified limit.
The encoder rotates faster than the
specified rate when it is battery-powered.
The encoder detects an error of the
single-turn counter.
The encoder detects an error of the multi-
turn counter.
The encoder detects an internal status
error. After the control power on, the en-
coder rotates faster than the specified
rate.
When an 11-wire encoder is used, Pr02
(control mode selection) is set to 7, 8 or
9 ("full-close" control).
The control circuit operates incorrectly
due to large noises or any other reasons.
The driver's self-diagnosing function is ac-
tivated, because an error happens in the
driver.
Countermeasures
Check the voltage of the battery. Connect
to the battery, and then clear the encoder
using the absolute encoder clear mode
contained in the auxiliary function (see
Details of Operation in Appendix).
Limit the movable range to ?32767 revo-
lutions (15 bits) from the initial position.
Adjust the value of Pr0B.
Connect the power to the encoder and
then make sure that the encoder voltage
is 5V?5%. Correct the SIG connections,
if necessary.
The motor may be broken. Replace the
motor with a new one. Return the old
motor to the sales agent for repair.
Take measures to keep the motor away
from rotating until the driver outputs S-
RDY.Take measures to keep the motor
away from rotating until the driver out-
puts S-RDY.
Set the value of Pr02 to 0, 1, 2, 3, 4 or 5.
Turn off the power and turn it on again. If
the error cannot be eliminated, the motor
and/or driver may be broken. Disconnect
the power supply of these equipment, and
replace them with new ones. Return the
old equipment to the sales agent for re-
pair.
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