Bought a GBP a couple of weeks ago, and tried to take it out yesterday. Once I go above 30 sensitivity, the VID jumps around constantly, and it chatters nonstop, no matter where the location. I kept ground balancing it to see if it would stop, but it never did. I put in a new battery and tried three different coils, and it is still very erratic. Anyone else had this problem?
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Picked up a Gold Bug Pro from a forum member, and the thing is erratic! Anyone else had this problem?
- Thread starter silverman
- Start date
Dude...does this rig have a 'factory reset' feature? i dont know...but try it if it does...maybe these rigs are so super hot, they jump around like that in general suburban use? 
I dont know, but from what I understand, GBP's are intended to find small gold nuggets in a spoil heap right? So they could be so damn hot that just about any little thing will set them off into a chattering screaming, unmanageable fit..(quite similar to a menopausal wife I suppose)...I guess if I was you I'd try to see how they do on a tiny splitshot, or lead pellet far away from anything or anybody?...just trying to help here...I've heard those GBP's are hot as hell, so you may have to run it soft on the sens unless you are in the Outback...let us know, I'm curious.
Mud.
I dont know, but from what I understand, GBP's are intended to find small gold nuggets in a spoil heap right? So they could be so damn hot that just about any little thing will set them off into a chattering screaming, unmanageable fit..(quite similar to a menopausal wife I suppose)...I guess if I was you I'd try to see how they do on a tiny splitshot, or lead pellet far away from anything or anybody?...just trying to help here...I've heard those GBP's are hot as hell, so you may have to run it soft on the sens unless you are in the Outback...let us know, I'm curious.
Mud.
Are you using all metal or discriminate? In discriminate I can hunt at sensitivity of 100 nearly all the time without any issues. Occasionally a cell phone will cause a brief chatter and erratic behavior but will settle back down (or try turning off your cell phone). If you can't go past 30 sensitivity in discriminate than I think you have a problem machine.
Ralph
Ralph
Not enough info to do a remote Dx.
The GB is usually pretty calm in urban situations. (Mud was probably just testing to see if we read the forum and hoping we'll send him a freebie GB to prove him wrong.
[smiley-icon]) They run quiet in the engineering lab surrounded by flourescent lamps, computers, cellphones, and wi-fi. Only EMI problems I've run into personally have been directly over a buried powerline, and out in the middle of nowhere with my cellphone putting out max transmit power trying to maintain the link to the tower.
Batteries and searchcoils were the right things to regard as prime suspects. And you ruled them out.
So here's my guesses.
1. Cellphone or WiFi. Turn 'em off and see if that fixes it.
2. Electronic lighting (flourescent lamps, and the newfangled LED light bulbs): turn those off and see if it fixes it.
3. Mechanical quasi-intermittent connection (cold solder joint, etc). With a good solid temperature cycle these usually either get better or get worse. Try below freezing and toasty warm, at least two cycles of several hours each.
4. Defective sensitivity control potentiometer. If the machine acts calm in the high 20's and is suddenly berserk in the low 30's (i.e. not a gradual increase in noise level as the control setting is increased), most likely a defective potentiometer. Repair job for the factory.
The GB is usually pretty calm in urban situations. (Mud was probably just testing to see if we read the forum and hoping we'll send him a freebie GB to prove him wrong.
[smiley-icon]) They run quiet in the engineering lab surrounded by flourescent lamps, computers, cellphones, and wi-fi. Only EMI problems I've run into personally have been directly over a buried powerline, and out in the middle of nowhere with my cellphone putting out max transmit power trying to maintain the link to the tower. Batteries and searchcoils were the right things to regard as prime suspects. And you ruled them out.
So here's my guesses.
1. Cellphone or WiFi. Turn 'em off and see if that fixes it.
2. Electronic lighting (flourescent lamps, and the newfangled LED light bulbs): turn those off and see if it fixes it.
3. Mechanical quasi-intermittent connection (cold solder joint, etc). With a good solid temperature cycle these usually either get better or get worse. Try below freezing and toasty warm, at least two cycles of several hours each.
4. Defective sensitivity control potentiometer. If the machine acts calm in the high 20's and is suddenly berserk in the low 30's (i.e. not a gradual increase in noise level as the control setting is increased), most likely a defective potentiometer. Repair job for the factory.
This was happening away for any electronics, not even a cell phone. The seller said it must have happened during shipping, but it was thouroguly bubble wrapped, and had no damage anywhere on the box. Could this defect be from shipping if it were handled as well as it looked? I really trust this seller, and won't even mention his name because he is a great guy, but we are just trying to figure out if it was an existing defect.
TabWhisperer
Member
Make sure the coil connection into the console is seated firmly before you tighten it. My old one used to do that once in a while.