1-21
Error no. H188n * (n indicates the axis number (1 to 8).)
1Error list
H188n *
(n indicates the
axis number (1
to 8).)
Error message Jn addition axis amplifier cooling fan stop.
Cause The cooling fan of the addition axis amplifier of Jn axis may be out of order.
Measures Please replace the cooling fan of addition axis amplifier.
* Please also refer to the instruction manual of the servo amplifier of usage.
C189n *
(n indicates the
axis number (1
to 8).)
Error message Jn addition axis amplifier cooling fan rev fall.
Cause The cooling fan of the addition axis amplifier of Jn axis may be out of order.
Measures Please replace the cooling fan of addition axis amplifier.
* Please also refer to the instruction manual of the servo amplifier of usage.
C1920 Error message Cooling fan stopped (pow. sup.)
Cause 1) The cooling fan of the power supply stopped.
2) The fuse (4A fuse) installed at the bottom of the 24 V power supply circuit in the controller may have
blown out. For the fuse blowout, the emergency stop made by the customer may be the cause, or there
may be a ground fault or short circuit with the 24 V power supply in the wiring of a door switch, enabling
device, etc.
Measures 1) Confirm the rotation of the power supply cooling fan.
2) Investigate and correct the ground fault or short circuit portion in the wiring made by the customer.
Then, replace the fuse inside the controller. Refer to Page 60, "Fig.2-3 ： Fuse (F8) exchange place
(CR750/CR751 controller)" for details. (On details of the fuse, contact the manufacturer.)
C1940 Error message Agitating fan stopped
Cause 1) The fan for agitating inside the robot controller (drive unit) has stopped.
2) The fuse (4A fuse) installed at the bottom of the 24 V power supply circuit in the controller may have
blown out. For the fuse blowout, the emergency stop made by the customer may be the cause, or there
may be a ground fault or short circuit with the 24 V power supply in the wiring of a door switch, enabling
device, etc.
Measures 1) Confirm rotation of the target cooling fan, and if out of order, replace them. Please refer to Page 61, "2.2
Fan installation place of robot controller (drive unit)." for the fan's mounting place.
2) Investigate and correct the ground fault or short circuit portion in the wiring made by the customer.
Then, replace the fuse inside the controller. Refer to Page 60, "Fig.2-3 ： Fuse (F8) exchange place
(CR750/CR751 controller)" for details. (On details of the fuse, contact the manufacturer.)
H195n Error message Additional axis AMP error xx
Cause Alarm of the addition axis servo amplifier was detected.
Measures Refer to the instruction manuals of addition axis servo amplifier for the details of alarm.
"xx" of the error message corresponds to the alarm number of addition axis servo amplifier (MR-J3- □ B).
(The error reset methods differ for each alarm number of addition axis servo amplifier.)
C196n Error message Additional axis AMP Warning xx
Cause Warning of the addition axis servo amplifier was detected.
Measures Refer to the instruction manuals of addition axis servo amplifier for the details of warning.
"xx" of the error message corresponds to the warning number of addition axis servo amplifier (MR-J3- □
B).
L2000 Error message The servo is OFF
Cause Because servo is turned off, the robot can't move.
Measures Turn the servo ON and then restart.
L2010 Error message Pulse output was not possible
Cause There is an error in the pulse output designation.
Measures Correct the program.
L2020 Error message Reading external position data
Cause A command that cannot be executed while reading the external commands was executed.
Measures Correct the program.
L2030 Error message JOG operation cannot be accepted
Cause The JOG operation request was issued when the JOG operation request could not be accepted.
Measures Changes the JOG mode after the JOG operation.
H2031 * Error message "Illegal parameter(JOGTSJ,JOGJSP)"
Cause The parameter JOGTSJ, JOGJSP settings are not correct. [JOGPSP]、 [JOGJSP] = (element 1, element
2) = (constant high, constant low)
Measures Set the set dimension to 5 or less.
Error No. Error cause and measures
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