11.16 Loss of Communication to Keypad
If the keypad detects that the drive’s control system is no longer communicating with it, the
keypad will display the following screen.
Figure 11-1 Loss of Communication to Keypad Screen
If this screen is shown:
• Check the cable between the drive’s control system and the keypad.
• Make sure that drive’s control system is functioning correctly.
• Recycling the power to the control system may rectify the problem.
• If these steps do not resolve the issue, contact Siemens customer service.
Troubleshooting Faults and Alarms
11.16 Loss of Communication to Keypad
NXGPro+ Control Manual
498 Operating Manual, A5E50491925A