Landice L 7 Club Cardio Trainer Treadmill "zone error codes" Questions

Cardio Zone has an error code of E 22 what does this mean an error code of E 22 what does this mean

...ZONE AND HAD IT TESTED, BAD FUSE!!!!!I WENT TO RADIO SHACK AND GOT A PACK OF SLOW BURN 15 AMP 250V, GOT IT HOME, PUT IT IN IT WORKED!!! So ERR1 can also be the FUSE. I am amazed and very happy. Thank ...