Nachi RMU20-20 Instruction Manual page 182

7.2Troubleshooting
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Diagnostic E28
circuit
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Monitor output E29
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Parameter E30-32
memory
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
Serial E33-35
communication
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
ADC E36
Error code
Error
Top: Controller
Bottom: RMU
Internal error E1106
USB E37
7-14
Assist code
SUB1 SUB 2 SUB 3
28 1-2 - This error occurs if a failure
happens in the diagnostic
circuit of the output signal.
3 - This error occurs if a failure
happens in the diagnostic
circuit of the power source
voltage.
Assist code
SUB1 SUB 2 SUB 3
29 - - This error occurs if the
monitor output signal is not
outputted normally.
Assist code
SUB1 SUB 2 SUB 3
30-32 - -
This error occurs if the
storage
parameters does not work
normally.
Assist code
SUB1 SUB 2 SUB 3
33-35 - - This error occurs if the serial
communication in the RMU
does not work normally.
Assist code
SUB1 SUB 2 SUB 3
36 - - This error occurs if the AD
converter
source voltage monitoring
does not work normally.
Assist code
SUB1 SUB 2 SUB 3
37 - - This error occurs if the USB
communication with the main
CPU does not work normally.
Description of trouble
Description of trouble
Description of trouble
memory for the
Description of trouble
Description of trouble
for the power
Description of trouble
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
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.