Code 702711: Safety: EMERGENCY STOP safety relay monitoring

A The safety relay for "Emergency Stop OK" and "Control On" were switched off, but the feedback circuit "Monitoring Emergency Stop safety relay" is still missing. If the safety relays and contactors of the axis motors are deactivated, the feedback circuit must signal signal state [1] (check). B If the safety relays and contactors of the axis motors are activated, the feedback circuit must signal signal state [0] (check). Error messages Safety technology Safety: EMERGENCY STOP safety relay monitoring For A Not possible to switch on the machine control. For B Feed Stop and Spindle Stop are output in "AUTO" mode. It is not possible to unlock the protective door. After switching off the control, the protective door is unlocked after 10 seconds. 1. Check the feedback circuit and the PLC input signal "Monitoring Emergency Stop safety relay". (It could be that the relay is defective) 2. Exchange defective relay. 3. As soon as the malfunction is remedied, press the following key: [RESET] Message is cleared. 4. The machine control can be activated again. Feedback circuit monitoring takes 0.5 seconds.