Error 11: Communication Error Cb-Rb" Appears; No Appointment Data!!" Appears - Nidek Medical RT-5100 Service Manual

MRT10*RDA001A/E

4.3.2 "Error 11: Communication Error CB-RB" appears.

Does cable CB break?
No
Replace the RB I/F board (34085-BA22). (See 6.27.)
Is the symptom relieved?
No
Replace the RB main board (34085-BA21). (See 6.26.)
Is the symptom relieved?
No
Replace the CB main board (34085-BA11). (See 6.19.)

4.3.3 "No appointment data!!" appears.

Are the AR and LM connected?
Yes
Is the power of AR and LM on?
Yes
Does the communication cable break?
No
It is assumed that the AR and LM might malfunction.
See the service manual for the malfunctioned device.
Yes
Yes
Yes
No
No
Turn on the power of the AR and LM.
Yes
Replace the communication cable.
4 - 14
Replace cable CB.
Completion
Completion
Connect the AR and LM.