Maintenance and inspection
9 - 83
Loop error
[Error by pulse capturing.]
Error code:55550006
Communication errors Possible cause: Incorrect soft-
ware version. Please contact
your local YASKAWA branch of-
fice.
Loop error
[Error in the process that starts
robot movements.]
Error code:55550008
Loop error
[Error in the process that stops
robot movements.]
Error code:55550009
Loop error
[Error when capturing sensor
values.]
Error code:55550010
Communication errors Contact the local YASKAWA
branch office.
error
[Sensor Amp (Read():D1)]
Error code:55550044
Information* Check the SERVO
power of the sensor.* Check the
connection of the cable RS-
232C.* Check the battery.
Communication errors • Check if the alarm lamp is lit and
if the cable etc. is correctly con-
nected.
• Switch off the amplifier then
switch it on again.
• Carry out the reset again.
Alarm: Sensor amp (battery) The battery of the amplifier is
empty.
Replace the battery.
Alarm: Sensor amp (write error
EEPROM)
Amplifier EEPROM writing er-
ror
Contact the local YASKAWA
branch office.
Alarm: Sensor amp (AD over) AD over alarm of the amplifier Contact the local YASKAWA
branch office.
Error
[Sensor amp (auto zero:OK)]
Error code:55550046
Error when resetting the ampli-
fier
Contact the local YASKAWA
branch office.
Error [No CtrlGroup]
Error code:55550052
The reset was carried out with a
controller without robot control
group.
Carry out the reset with a control-
ler with robot control group.
Error [no axis]
Error code:55550056
The reset was carried out with
the robot control group without
movement axis.
Enter the robot control group with
movement axis.
Not found:
CF card RS-232C
Error code:55550001
The CF card for the RS-232C is
located in the storage opening
of the programming pendant.
Slide the CF card for the RS-
232C in the storage opening.
Error message Possible error Possible solution
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