Good Will FD responded to an automatic alarm smoke inside electrical room at 1 Spring Hill Lane building 3 on July 8. Cronomer Valley and Middlehope FD responded per pre plan of Good Wills sop. Units arrived and checked electrical room,Cronomer Valley firefighters assisted Good Will firefighters checking the room. Found damage head on sprinkler, maintance of housing unit was advised. Middle Hope FD was canceled before they arrived and returned to quarters.