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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Locked out of hydrolics
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<blockquote data-quote="7LBSSMALLIE" data-source="post: 96107" data-attributes="member: 6879"><p>the sensor circut. is an 8volt supply circut. the voltage is stepped down in controller( magic box that no one can explain. internal schematicts of nor give a represantation of how it works) anyway you one of two things goining on here. A controller let all the smoke leak out.( now a couple of factors here. controllers are prone to failure if 1. low batt voltage. 2. alt overcharge. 3 jump start. 4. improper welding on unit %. bad grounds. next step examine controller. what we are looking fo here is potted or non pot? non pot snap together lid. had a tendenacy to collect moisture etc and gro green crap on boards. potted . sealed molton plastic poured over board. evidance of failure is not vissually evident typically but not always you will see seraption of pot material from plastic case. #2 bad spot in harness shorted to ground. visually inspect prior to cutting tie straps. you want to fix it while its broke. or you may never find it just years of intermittent elect issues. start at bitter end of harness. ohm check probalby coolant temp. blue wire for coniounity to grd. if present leave meter in place and perform wiggle test to entire harness while watching meter. if that dont work disconnect sensors one at a time REASONING IS ONE BAD SENSOR WILL THROW ENTIRE 8 VOLT SUPPLY OFF. will not code for that specific sensor but mayhem it is. let us know what you found please . help the next dude. and if someonecould edit this. you are more than welcome. in fact please a lotta this could be tightened up. not my fortay.</p></blockquote><p></p>
[QUOTE="7LBSSMALLIE, post: 96107, member: 6879"] the sensor circut. is an 8volt supply circut. the voltage is stepped down in controller( magic box that no one can explain. internal schematicts of nor give a represantation of how it works) anyway you one of two things goining on here. A controller let all the smoke leak out.( now a couple of factors here. controllers are prone to failure if 1. low batt voltage. 2. alt overcharge. 3 jump start. 4. improper welding on unit %. bad grounds. next step examine controller. what we are looking fo here is potted or non pot? non pot snap together lid. had a tendenacy to collect moisture etc and gro green crap on boards. potted . sealed molton plastic poured over board. evidance of failure is not vissually evident typically but not always you will see seraption of pot material from plastic case. #2 bad spot in harness shorted to ground. visually inspect prior to cutting tie straps. you want to fix it while its broke. or you may never find it just years of intermittent elect issues. start at bitter end of harness. ohm check probalby coolant temp. blue wire for coniounity to grd. if present leave meter in place and perform wiggle test to entire harness while watching meter. if that dont work disconnect sensors one at a time REASONING IS ONE BAD SENSOR WILL THROW ENTIRE 8 VOLT SUPPLY OFF. will not code for that specific sensor but mayhem it is. let us know what you found please . help the next dude. and if someonecould edit this. you are more than welcome. in fact please a lotta this could be tightened up. not my fortay. [/QUOTE]
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General Bobcat Skidsteer Forum
Locked out of hydrolics
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