Motor spinning when radio is inactive or off

[Heaving Earth]

Throttle reverse is on the radio

[BHChieftain]

Hi,
Note that the "Reverse" on the stock PB ESC is to enable or disable running the boat in reverse-- ie, with brake input. That does not reverse the throttle channel.

If your TX is giving correct input when you squeeze the trigger-- ie, you are getting throttle vs. brake, then reversing that channel won't help with your bliping problem.

Normally the throttle trim should be set less than neutral-- I also think it could be your failsafe setting, which is usually established when you bind. I don't have that ESC so I'm not sure.

Chief

[srislash]

My twin Geico with SK 120's also did this yesterday(think it has been doing it all along).Any loss of signal and the motors run.IE: boat flipped

[Heaving Earth]

why is it that so many people using these spectrum stock radios seem to have so much trouble calibrating them to the seakings? this isnt the first thread ive been in where its been a nightmare getting them to work properly. with my tactic and flysky radios, my throttle channel is set to reverse and the throttle trim is turned up all the way. no problems calibrating at all. i want to say i went thru this with someone else in a thread and after about 100 posts he figured it out. throttle reversed, trim all the way up. i could be confused tho, it was a while back

[srislash]

I'll give her a try ..

[srislash]

The problem is with the arming time and the need for a secondary power source for the Speky's.You've got to disarm the BEC and have power to the RX.

A wee bit O' a pain.

[srislash]

Reversing throttle did not work at all. But trim up and recalibrate has seemed too. These 120's are the only ones I have had issue with.All my 180's no sweat. But you never know,I may have not done my calibration right from the start.Geico was a quick build.

[siberianhusky]

Not sure what you mean by "arming time and external power" I've NEVER had external power hooked up to any of my Spekky marine RX's, failsafe is set on all of them, right trim and right travel direction is all I've ever had to do. All done with the esc BEC active.

[tlandauer]

I like to know why the motor is kicking/spinning when the radio is unpluged?! Meaning that there is no power supplied to the RX. Failsafe is when there is lost of signal but the rx is still powered by the battery ( either thru a BEC on the ESC or a separate receiver pack).
I have flipped my boat with these Spektrum, never a problem.
Had calibration issues with Seaking 120, but that was user error, and was with Tactic.
Need to point out that on EARLIER Proboat , the TX was a more sophisticated one, it had FOUR dials on the front panel for END POINT ADJUSTMENTS on channel 1 and 2. . All those dials need to be cranked up all the way to max. Throttle trim is a different thing and I have never had to crank that up to max, I always left it right at middle.
The current radio is a very basic unit, with no separate End Point Adjustments for either channel 1 and 2.

[AlanD]

Turns out it was my failsafe settings. This is what I did to fix it for me. I'm not saying its right or wrong, but it works perfectly for me.

Transmitter TH switch on Spektrum DX2E in N position.
Set the STEERING TRIM, and THROTTLE TRIM in neutral (12 o'clock) position. (Page 8, paragraph 3 in the binding section of the Blackjack manual says to set the TH TRIM to lowest setting. This does not work. Setting it this way causes the motor to run as soon as I power everything up, without any throttle input. That was the problem I was trying to fix.)


With everything switched off:

1. insert BIND plug in RX
2. connect battery to ESC/RX (RX is now in BIND mode and LED is flashing)
3. press and hold BIND button on TX and switch it on. Release the BIND button on TX after 2 seconds when LED on TX flashes
4. LED on RX will turn solid when binding completes after about 8 seconds.
5. remove the BIND plug BEFORE powering off the ESC/RX
6. power off ESC/RX and TX


To test:
Leave TH TRIM in neutral position. When I power up the TX and plug the ESC/RX in, everything behaves as normal. RX beeps twice, then 6 times to indicate 6 cells. If I turn the rudder to one side and get the motor running and then power off the TX, the rudder turns straight and the motor quits as expected for a TX signal loss. Power up the TX and I regain control. Problem solved.

The only odd thing I have no fix for is if I power the ESC/RX up and leave the TX off (ie. the RX has never has a good signal from the TX) then the motor beeps and twitches every 2 seconds. I'm not worried about that behaviour though.

Thanks for all the good info guys.

[tlandauer]

Great!

[Brushless55]

It looks like a failsafe settings problem.
All my Fly Sky receiver have this problem by default.
If you can reset the failsafe function to a position where the motor is not spinning, you will be fine.
On my case I need to push and hold few sec the fail safe button.
Regards

I just reset my failsafe and will give it a try..
thanks

[gb tiggycat]

[QUOTE=AlanD;500371]Turns out it was my failsafe settings. This is what I did to fix it for me. I'm not saying its right or wrong, but it works perfectly for me.

Glad that you got it fixed. Failsafe settings can be quite sensitive with the T180. Like a lot of ESC's with a built in failsafe, you have to be careful with the TX settings. If the radio has a failsafe built in, it needs to be switched off on the throttle channel . If you don't do this, you effectively have two sets of settings trying to act if you lose radio contact.i.e. the ESC's settings and those programmed into the RX. I had problems with my Futaba 2.4 set until I did this