PackagesTitle: Operational Analysis and Troubleshooting Guide: Schindler 5500 AP Error Codes
0004 (InvldMovement): The controller detects movement that is considered invalid or unintended. This can happen if the car drifts due to brake issues or machine slippage. schindler 5500 error codes verified
0430 / 0431: Brake Switch Fault: The brake switches do not match the commanded state. Code 0431 indicates a fatal error requiring a manual reset. Error Code 11: Motor Overcurrent 0004 (InvldMovement) :
KSE signal missing at standstill. Car is at hoistway end but signal doesn't match position. Check KSE magnetic switches and magnet polarity. 0004 InvldMovement schindler 5500 error codes verified