Chapter 14 Fault Codes and DescriptionsCP2000 
 
14-46
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
90 
 
Force to stop (FStp)  Keypad forces PLC to Stop 
Action and Reset 
Action level 
When Pr.00-32=1, STOP button on the keypad is valid. When giving the STOP 
command during the PLC operation, FStp fault will active. 
Action time  Immediately act 
Fault treatment parameter  N/A 
Reset method  Manual reset 
Reset condition  Immediately reset 
Record  Yes 
Cause  Corrective Actions 
Pr.00-32=1: keypad STOP button   
is valid 
Check if it is necessary to set Pr.00-32=0, so the keypad STOP button is invalid. 
Press STOP button during PLC 
operation 
Verify the timing of STOP function. 
 
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
93 
 
CPU error 0 (TRAP)  CPU crash 
Action and Reset 
Action level  Hardware detection 
Action time  Immediately act 
Fault treatment parameter  N/A 
Reset method  Cannot reset, power off. 
Reset condition  N/A 
Record  Yes 
Cause  Corrective Actions 
Hardware interference 
Verify the wiring of control circuit, and the wiring/grounding of the main circuit to 
prevent interference. 
If TRAP fault still exists, return to the factory for repair. 
Hardware failure  Return to the factory for repair. 
CPU is in an infinite loop  Cycle the power. If the TRAP fault still exists, return to the factory for repair.