Adrimal dryer timer dosn't work right

[oklabull]

timer dosn’t work right, for settings it reads more dry less dry them number for minets follows usually you put it on more dry and it would dry a load but timer is not running from that point anymore you move it to less dry sometimes it works sometimes no you put it on the minutes and its not enough time to dry a load is it my timer going out and if so whats the part number