Nachi RMU20-20 Instruction Manual page 183

Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Internal memory E38
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Program E39
memory
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
CPU E40
Error code
Error
Top: Controller
Bottom: RMU
Communication E1108
stop -
Connection error E1113
-
Assist code
SUB1 SUB 2 SUB 3
38 - - This error occurs if a failure
happens in the diagnostic for
the internal memory of the
RMU.
Assist code
SUB1 SUB 2 SUB 3
39 - - This error occurs if a failure
happens in the diagnostic for
the program memory of the
RMU.
Assist code
SUB1 SUB 2 SUB 3
40 - - This error occurs if a failure
happens in the diagnostic for
the CPU of the RMU.
Assist code
SUB1 SUB2 SUB3
- - -
This error occurs if the
communication between the
CPU board and the RMU
has stopped.
- - - This error occurs if the RMU
is not connected correctly.
Description of trouble
Description of trouble
Description of trouble
Description of trouble
7.2Troubleshooting
Remedy
Turn OFF and ON the
controller power.
Replace the RMU.
Remedy
Turn OFF and ON the
controller power.
Replace the RMU.
Remedy
Turn OFF and ON the
controller power.
Replace the RMU.
Remedy
Check the connector
CNCOM of the RMU.
Check if the power is
supplied to the RMU.
Replace the RMU.
Check the connection of
the RMU by "Servo
amplifier unit" menu.
Check the communication
line to the RMU.
Check the voltage of the
power source of the RMU
7-15