Chapter 14 Fault Codes and DescriptionsC2000 Plus
ID* Display on LCD Keypad Fault Name Fault Descriptions
73
Emergency stop for
external safety (S1)
Emergency stop for external safety
Action and Reset
Action condition Hardware detection
Action time Act immediately
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Reset only after S1 fault is cleared.
Record Yes
Cause Corrective Actions
The switch action of S1 and SCM
(OPEN)
Reset the switch and cycle the power.
S1 and SCM short circuit lines are
not connected
Re-connect the short circuit lines
Malfunction caused by
interference
Verify the wiring/grounding of the main circuit, control circuit and encoder to
prevent interference.
Hardware failure
If S1 fault still occurs
after cycling the power, please return to the factory for
repair.
Poor connection of the IO card
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.
The IO card does not match the
version of the control board
Contact local agent or Delta