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Houston we have a problem

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1 Houston we have a problem il Mar Gen 21, 2014 5:13 pm


Good evening,

My Name is Philippe. (sorry for my english but my Italian is not better Very Happy )

I have the IBU2 since few weeks, and I have last sunday Change the Sound.
It´s perfect, I am a great fan fron the IBU.
BUT, I have Change in the INI the Parameter for The HL Recoil, because the recoil was 1 mm. (HL Recoil unit)
I think is not enough.
My Support in Germany (RC Tank) say me (and the notice say the same) I must Change the recoil time in the INI.
I have Change this first with 1500, it was not better, I Change again with 2000, 2500, 3000, 3500 not better.
I have Change with 4000, the recoil was maybe 2mm not more. But than... nothing more. After the Flasch and the mini recoil was the Tank dead.

The tank was off and will not new starting, nothing. The Green light on the IBU is off.
The Battery is new and full loaded. ( Ihave Change the battery but it´s the same)

I have ask Domique/ RC Tank, and we have to try the IBU without the SD Card. Nothing. I try it with an other tank nothing. The IBU ist not starting???

Have you an Idee what the Problem is?

Thanks in advance for your help.

Distingui Salutti.

2 Re: Houston we have a problem il Mar Gen 21, 2014 7:17 pm

Admin Scooter

Hello Philippe,
First, welcome to the IBU forum and thanks to be a customer of this product.
I'm not sure that i understood your problem, you say the recoil is 1mm, do you mean the movement of the barrel ?
I suppose there is a wiring problem, the value you are changing in the ini files is related to the trigger that comes out from pin G- of the HL Turret Port, this is a short pulse that makes the recoil mechanism motor to turn (just for a short period) for release the spring loaded barrel.
The return to position is feeded by the microswitch circuit placed into the recoil mechanism.
For the dead IBU problem the service fuse is burned, probably related to the recoil problem.
Let me know

3 Re: Houston we have a problem il Mar Gen 21, 2014 8:21 pm

Admin Scooter

One more thing, maybe the barrel is locked (sometimes happens for too much paint), this could explain the limited movement and the F2 fuse blown.

4 Re: Houston we have a problem il Gio Gen 23, 2014 12:40 pm


Hello Scooter,

Thank you for your help.
I check the fuse and the fuse (10 Amp.) is OK.

The Little fuse may be? I can´t chek this, but Dominque / RC Tank say me the Little fuse is only for the turret .But I think it´s not the Problem because the IBu not works.

Have you an other idea?

For the Barrel recoil, it´s not too much paint on the Barrel. With the RX 18 works the recoil normaly (Like a HL)


5 Re: Houston we have a problem il Gio Gen 23, 2014 12:50 pm

Admin Scooter

The 10A fuse is only for the powertrain, the smallest (2A smt type) is for the services (turret, lights and so on) but also for the CPU supply, this is why the IBU2 does not work.
I think that must be something that makes the fuse blow, can you please attach some pictures of the recoil wiring ?

6 Re: Houston we have a problem il Gio Gen 23, 2014 6:24 pm


OK, the Problem for me will be to find a new fuse 2 a.

For the Picture I will try to take Fotos may be at the week end, but I have not to much time , The Family...

I send you News

Thank you very much.


7 Re: Houston we have a problem il Gio Gen 23, 2014 6:32 pm

Admin Scooter

Ask to Dominique @ RcTankDE, he should have it as replacement.
Then when you can post the pictures, we will see what we can do to fix the problem

8 Re: Houston we have a problem il Mar Gen 28, 2014 5:41 pm



the IBU-Card is on the way to you like say Dominique.

9 Re: Houston we have a problem il Dom Feb 09, 2014 8:35 am


Good morning Scooter,

have you receive the IBU now?

Dominique say me you d0n´t have receive this and the Mail tracking for the packet says that the Ibu is arrive on 06.02.14 in italy.

Thanks for the info.

10 Re: Houston we have a problem il Dom Feb 09, 2014 6:37 pm

Admin Scooter

Hello Philippe, i still have not received the card, hopefully in this week should arrive.

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