Just failed or bought it dead or ran 1day and died.(history matters)BY FAMOUS MAKER TEAC. mark 1 or MARK II modeL?TELL WHAT YOU ARE DOING ON THIS complex system just before the failure.Just simply turned on? or burning dvd-r or reading media. ? last page USA if is says contact TEAC AMERICA, INCa coin cell is inside my guess, and is long overdue if there.15 years old is near 2 times the life span of a coin cell battery.it has 80GB HDD that can very easily be badand a SDRAMand no SD cards, of any kind. ,USB port allows transfers to a PC>the manual only states thisbattery pack or batteries installed)
https://tascam.com/us/product/2488neo/downloadthe SDRAM does not plug in like PCsso is soldered down. make sure all batteries are good firstand if yes, make sure the PSU board is not bad with classic thenCAP Plague. error bad caps. . it is at least 2010 old. lots of reviews then and any batteries here are no good that old, and HDD can be bad, ask how to test in on a PC.so what is bad.1: batteries.2: CAP plague caps leaking bulged out. (wiki it)_!3: HDD bad. if not bad, best is to clone it now for later when it does die4: Sdram bad (only if power surged AC or lightning hits.5: PSU bad see #2