Could it be intermittent beep water pressure warning? Solid beep is definately overheat like TLW said. Bad thermostat or bad water pump impeller or housing would cause this type of warning. Also check poppet valve. My XR6 has these warnings on hot intermittent beep to overheat solid beep.
_________________________
Who ever said nothing in life is impossible.
Never tried slamming a revolving door.