Programming a Turnigy 120a ESC

[FighterCat57]

I started on calibration programming and didn't get far. Quickly the motor stopped beeping and only the BEC functions... I simply turned on the ESC with the controller at full tilt and now it's gone... no more beep.

It doesn't respond at all, just BEC.

Any ideas? It's a new ESC and was working properly.
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[tiqueman]

What radio are you using? Check all solder links. Be sure all batts are fully charged.

I know its obvious stuff, but sometimes overlooked.

[FighterCat57]

What radio are you using? Check all solder links. Be sure all batts are fully charged.

I know its obvious stuff, but sometimes overlooked.

Yeah, I'm going round and round with trying different cell packs diff voltages, plugging in different motors, w/BEC, wo/BEC... so far... nada.

I did remove the shrink wrap to see if there's anything obvious and the little red led is on. Giving me hope that it might work eventually...


FYI the radio is a TRX TQ HO 2.4G (long range is great)
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[tiqueman]

Hmm, the reason I asked about radio is my Futaba did the same thing.. then I remembered you have to run the throttle in reverse for it to work.
Be sure your getting full 100% throttle... also hit full reverse. Mine was doing wierd things in programming until I figured out the reverse thing. Doesnt tell you that in the manual. It was like it was getting stuck and you couldnt get it to go to the next program mode. But if yours isnt beeping at all.... Did you check the trouble shooting in the manual? Maybe its got an easy solution. I dont have mine in front of me or Id look.

[FighterCat57]

Hmm, the reason I asked about radio is my Futaba did the same thing.. then I remembered you have to run the throttle in reverse for it to work.
Be sure your getting full 100% throttle... also hit full reverse. Mine was doing wierd things in programming until I figured out the reverse thing. Doesnt tell you that in the manual. It was like it was getting stuck and you couldnt get it to go to the next program mode. But if yours isnt beeping at all.... Did you check the trouble shooting in the manual? Maybe its got an easy solution. I dont have mine in front of me or Id look.

The only situation in the manual for a "no beeb" is check battery connection..

I've used 2s, 3s and 4s packs hoping it might be low batt, but still same. The little led is lit and the BEC is powered, but no response, no beep. It was working fine yesterday.. with the current receiver/tx.
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[FighterCat57]

Is this the same ESC as the Sea-King 120a?
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Dodge charger (b-body) specifications

[tiqueman]

Yes

[FighterCat57]

Yes

So if I bought a Sea King 120a ESC, it would work in pair with a Turnigy 120a ESC and the Sea King programming card would work with the Turnigy 120?

If this is the case, I might just pick up a Sea-King w/card to pair up with the working Turnigy ESC.
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Vapir No2

[tiqueman]

Ive not owned a SK, but pic to pic and from what everyone says, they are manufactured by the same company then labeled by many. I would check caps etc to be sure everything is exactly the same before I paired it up w/ another esc. If it were me, Id just get another Turnigy.

[FighterCat57]

Ive not owned a SK, but pic to pic and from what everyone says, they are manufactured by the same company then labeled by many. I would check caps etc to be sure everything is exactly the same before I paired it up w/ another esc. If it were me, Id just get another Turnigy.

Yeah, it's back ordered. Out of stock =(

I should have bought 4 when I could.
If anyone finds one for sale new or used, link me up, I'll take it.
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[Meniscus]

I'd try programming it with a different radio, even if you have to borrow a buddy's.

[FighterCat57]

I'd try programming it with a different radio, even if you have to borrow a buddy's.

Yep. Changed radios, receivers, AM, FM, 2.4... Changed motors. Still no beep.

Might just cut the motor wires and use it as a BEC. The BEC still works.
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[tiqueman]

Did you check that all the connections (solder) are nice and solid?

[Meniscus]

Before you cut the wires, just for giggles, I'd resolder all connections.

[FighterCat57]

Before you cut the wires, just for giggles, I'd resolder all connections.

Yeah, there's always the possibility of a loose connection. Kinda like a loose batt terminal in a car. Enough to run the lights, but not to run the starter.

Still confuses me that the BEC works and the little red LED is on.
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