| 
                                  This is the web edition of the original ⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements.  | 
                           
| 
                                  Severity  | 
                              
                                  Error code  | 
                              
                                  Description  | 
                              
                                  Remedy  | 
                           
|---|---|---|---|
| 
                                  3  | 
                              
                                  3  | 
                              
                                  Discrepancy time expired  | 
                              
                                  Check discrepancy time value, channel wiring and sensor.  | 
                           
| 
                                  3  | 
                              
                                  12  | 
                              
                                  Test pulse error  | 
                              
                                  Check wiring and sensor.  | 
                           
| 
                                  3  | 
                              
                                  13  | 
                              
                                  Channel test pulse cross-talk error  | 
                              
                                  Check wiring and sensor. If this error persists, replace I/O module. Contact ABB technical support.  | 
                           
| 
                                  3  | 
                              
                                  25  | 
                              
                                  Channel stuck-at error  | 
                              
                                  Check I/O module wiring. Restart I/O module, if needed. If this error persists, replace I/O module.  | 
                           
| 
                                  3  | 
                              
                                  28  | 
                              
                                  Channel cross-talk error  | 
                              
                                  Check I/O module wiring. Restart I/O module, if needed. If this error persists, replace I/O module.  | 
                           
| 
                                  3  | 
                              
                                  260  | 
                              
                                  Measurement overflow at the I/O module  | 
                              
                                  Check channel wiring and sensor power supply.  | 
                           
| 
                                  3  | 
                              
                                  263  | 
                              
                                  Measurement underflow at the I/O module  | 
                              
                                  Check channel wiring and sensor power supply.  | 
                           
| 
                                  3  | 
                              
                                  311  | 
                              
                                  Channel value difference too high  | 
                              
                                  Adjust tolerance window for channels. Check channel wiring and sensor configuration.  | 
                           
| 
                                  3  | 
                              
                                  525  | 
                              
                                  Channel readback error  | 
                              
                                  Check I/O module wiring. Restart I/O module, if needed. If this error persists, replace I/O module.  | 
                           
| 
                                  3  | 
                              
                                  530  | 
                              
                                  Channel cross-talk error  | 
                              
                                  Check I/O module wiring. Restart I/O module, if needed. If this error persists, replace I/O module.  | 
                           
| 
                                  3  | 
                              
                                  16138  | 
                              
                                  Process voltage too high  | 
                              
                                  Check process voltage  | 
                           
| 
                                  3  | 
                              
                                  16139  | 
                              
                                  Process voltage too low  | 
                              
                                  Check process voltage  | 
                           
| 
                                  3  | 
                              
                                  16148  | 
                              
                                  PROFIsafe communication error  | 
                              
                                  Restart I/O module. If this error persists, contact ABB technical support.  | 
                           
| 
                                  3  | 
                              
                                  16153  | 
                              
                                  PROFIsafe watchdog timed out.  | 
                              
                                  Restart I/O module. If this error persists, increase PROFIsafe watchdog time.  | 
                           
| 
                                  3  | 
                              
                                  16171  | 
                              
                                  Internal error in the device  | 
                              
                                  Replace I/O module  | 
                           
| 
                                  Severity  | 
                              
                                  Error code  | 
                              
                                  Description  | 
                              
                                  Remedy  | 
                           
|---|---|---|---|
| 
                                  3  | 
                              
                                  16146  | 
                              
                                  Plausibility check failed (iParameter)  | 
                              
                                  Check configuration  | 
                           
| 
                                  3  | 
                              
                                  16147  | 
                              
                                  Checksum error in the I/O module  | 
                              
                                  Check safety configuration and CRCs for I- and F-Parameters.  | 
                           
| 
                                  3  | 
                              
                                  16154  | 
                              
                                  Parameter value  | 
                              
                                  Check master or configuration  | 
                           
| 
                                  3  | 
                              
                                  16156  | 
                              
                                  F-Parameter configuration and address switch value do not match.  | 
                              
                                  Check I/O module F-Parameter configuration and module address switch value.  |