6.9. "THE EQUIPMENT IS LOCKED (COM)" MESSAGE ON
DISPLAY
This error message can be caused by loss of communication between the lower and upper
assemblies.
The error is displayed by a massage and stored in the "Errors Log" section.
To reinstate communications between the lower and upper assemblies:
Check that cables ELT-06 and ELT-07 are correct, using the Test Box Excite and replace if
(1)
necessary;
Try replacing the brake board and the display board in turn, and check whether the
(2)
communication works.
If you replace Display board/Brake board, check that its SW version is updated, otherwise
install the last version.
Pagina 6.26
SYNCHRO EXCITE Class & Trend: Service & maintenance manual - rev. 2.0