Delta CFP2000 Series User Manual page 532

ID* Display on LCD Keypad
75
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
Mechanical brake error
Incorrect parameter setting
Signal cable is loose or cut off
The time of Pr.02-56 is set too
short
Malfunction caused by interference
ID* Display on LCD Keypad
76
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
The switch action of STO1/SCM1
and STO2/SCM2 (OPEN)
Poor connection of the IO card
The IO card does not match the
version of the control board
Fault Name
External mechanical brake error
External brake error The MO terminal is active when MOx=12, 42, 47 or 63,
(Brk) but the MIx=55 does not receive signal for mechanical
brake action during the set time of Pr.02-56.
Action and Reset
MIx=55 did not receive signal for the mechanical brake action during the set time
of Pr.02-56.
Pr.02-56
N/A
Manual reset
Immediately reset
Yes
Verify if the mechanical brake can work correctly.
Replace mechanical brake.
If there is no brake-confirming signal to use, set Pr.02-56=0.
Tighten the screws.
Replace the signal cable with a new one.
Increase the time setting of Pr.02-56
Verify the wiring/grounding of the main circuit, control circuit and encoder to
prevent interference.
Fault Name
STO (STO) Safety Torque Off function active
Action and Reset
Hardware detection
Immediately act
N/A
When Pr.06-44=1 and after STO error is cleared, it automatically
Auto
resets.
Manual When Pr.06-44=0 and after STO error is cleared, reset it manually.
Reset only after STO error is cleared.
Yes
Reset the switch (ON) and cycle the power
Check if the PIN of IO card is broken.
Check if the IO card connects to the control board correctly, and if the screws
are tightened well.
Contact local agent or Delta
14-37
Chapter 14 Fault Codes and DescriptionsCFP2000
Fault Descriptions
Corrective Actions
Fault Descriptions
Corrective Actions