User Guide

Table2.Numericerrorcodes(continued)
Symptomorerror(beeps,ifany)
FRUoraction,insequence
02F7
Fail-safetimerNMIfailed
(twoshortbeeps)
1.DIMM.
2.Systemboard.
1802
Unauthorizednetworkcardispluggedin—Turnoffand
removetheminiPCInetworkcard.
(twoshortbeeps)
1.RemovetheMiniPCInetworkcard.
2.Systemboard.
1804
UnauthorizedWANcardispluggedin—Poweroffand
removetheWANcard.
1.RemovethewirelessWANcard.
2.Systemboard.
50ThinkPadEdge13²,E30,andE31HardwareMaintenanceManual