Page 6.7
6.3. “THE EQUIPMENT IS BLOCKED” MESSAGE ON THE
DISPLAY
This error message can be caused by:
• loss of communication between the lower and upper assemblies;
• the brake board has detected an error condition, causing it to generate an alarm and store the
error code in memory.
Is the communication
between the display and
lower electronic correct?
Turn the machine of f
and on again
Reinstate the
communication link
between the upper and
lower assemblies
NO
"THE EQUIPMENT IS BLOCKED"
MESSAGE ON THE DISPLAY
1
Carry out the "Error
detected by the brake
board" troubleshooting
procedure
YES
2
3
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(1) Use the serial communications test described in paragraph 6.1.1.1 “I2C Devices Test”.
(2) To reinstate communications between the lower and upper assemblies:
• check that cables CF-03 and CF-04 are correct using the Test Box Excite;
• try replacing the brake board and the display board in turn, and check whether the
communication works.
(3) Check whether the brake interface board is in an error condition, by accessing the “Low kit
fault code” parameter in the “Low kit menu” described in paragraph 9.2.5.2 “Low Kit fault
code”.
If the displayed parameter value is “0”, there is no error condition.
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