EXCITE + - Crossover: Technical Service guide- Ver. 4.1
Page 6.19
6.9. MESSAGE ON DISPLAY “THE EQUIPMENT IS LOCKED
(COM)”
This error message can be caused by loss of communication between the High Lit and Low Kit and
a 'possible interruption during SW loading/upgrade.
The error is displayed by a massage and stored in the “Errors Log” section.
To reinstate communications between the lower and upper assemblies:
(1) Check that cables CU356 and CU357 is correct, using the Test Box Excite and replace if
necessary.
(2) Try replacing the Brake Board and the CPU/ARM Board in turn, and check whether the
communication works.
If you replace Brake Board, check that its SW version is updated, otherwise install the
last version.
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