Chapter 14 Fault Codes and DescriptionsC2000 Plus
ID* Display on LCD Keypad Fault Name Fault Descriptions
75
External brake error
(Brk)
External mechanical brake error
The MO terminal is active when MOx = 12, 42, 47 or 63,
but the MIx = 55 does not receive signal for mechanical
brake action during the set time of Pr.02-56.
Action and Reset
Action condition
MIx =
55 did not receive signal for the mechanical brake action during the set
time of Pr.02-56.
Action time Pr.02-56
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Reset immediately
Record Yes
Cause Corrective Actions
Mechanical brake error
Verify if the mechanical brake can work correctly.
Replace mechanical brake.
Incorrect parameter setting If there is no brake-confirming signal to use, set Pr.02-56 = 0.
Signal cable is loose or cut off
Tighten the screws.
Replace the signal cable with a new one.
The time of Pr.02-56 is set too
short
Increase the time setting of Pr.02-56
Malfunction caused by
interference
Verify the wiring /
grounding of the main circuit, control circuit and encoder to
prevent interference.