Whats the problem? Is this an easy fix!
 

I know a guy selling his
"MUGEN SEIKI MBX7 R-ECO 1/8TH 4WD BUGGY ( ELECTRIC ) COMES WITH 4 BATTERYS ,BRAND NEW NEUCASTLE 1515 SERIES SENSORLESS BRUSHLESS MOTOR .

But.....the problem is:
MAMBA MONSTER SPEED CONTROLER THIS DOESENT SEEM TO BE WORKING PROPERLY TURNS ON BEEPS THEN NOTHING PROPERLY NEEDS TO BE RESET IM NOT SURE?

Sorry for caps I just copied and pasted.

2 questions.
1. Is this problem an easy fix?

2.How much would value that particular car in next to great condition?

Thanks Guys!!