Delta CFP2000 Series User Manual page 531

Chapter 14 Fault Codes and DescriptionsCFP2000
ID* Display on LCD Keypad
72
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
STO1 and SCM1 short circuit lines
are not connected
Hardware failure
Bad connection of the IO card
The IO card does not match the
version of the control board
ID* Display on LCD Keypad
73
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
The switch action of S1 and SCM
(OPEN)
S1 and SCM short circuit lines are
not connected
Malfunction caused by interference
Hardware failure
Poor connection of the IO card
The IO card does not match the
version of the control board
Fault Name
STO Loss 1 (STL1) STO1–SCM1 internal loop detection error
Action and Reset
Hardware detection
Immediately act
N/A
Hardware failure, and cannot reset. Cycle the power.
N/A
Yes
Connect the short circuit line
After you make sure all the wiring is correct, if STOL fault still exists after cycling
the power, please return to the factory for repair.
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
Fault Name
Emergency stop for
Emergency stop for external safety
external safety (S1)
Action and Reset
Hardware detection
Immediately act
N/A
Manual reset
Reset only after S1 error is cleared.
Yes
Reset the switch and cycle the power.
Re-connect the short circuit lines
Verify the wiring/grounding of the main circuit, control circuit and encoder to
prevent interference.
If S1 fault still exists after cycling the power, please return to the factory for
repair.
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
14-36
Fault Descriptions
Corrective Actions
Fault Descriptions
Corrective Actions