Grid Panel loss Control panel or PC tool hasceased communicating.See AE3E Grid Panel loss (page 464).Grid Panel lossProgrammable warning:149.05 Communicationloss actionControl panel or PC toolselected as active controllocation for converter hasceased communicating.Check PC tool or control panelconnection.Check control panel connector.Disconnect and reconnect the controlpanel.Check the auxiliary code. The codespecifies the I/O port used as follows:0: Panel, 1: Fieldbus interface A,2: Fieldbus interface B, 3: Ethernet,4: D2D/EFB port).