What can cause Error 7, Err7, on the Altistart 48 remote keypad?

FA174063

14 July 2022

Issue: 
Err7 on the ATS48

Product Line:
ATS48, Altistart 48

Environment:
All

Cause:
Communication time out between the remote display and control board

Resolution:
Unplug the remote display and cable.  Plug both back in to see if the fault clears.
If applicable remove the control board and check the connections from the control to the power board. 
If available, try another remote display to see if the problem lies with the remote, or the control board. 
Replace the control board (VX4G481) or soft start if the issue persists. 
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