Receiver, ESC and servo setup problem

[metroplex]

I was about to complete my Hornet build, but got stuck/confused when installing the electronics.

I'm using:

* Receiver: Futaba R152JE

* ESC: Futaba MC230CR

* Servo: S3003

The receiver gets the following connections:

* Servo -> CH1

* ESC -> CH2

I'm under the impression that the receiver should get power from the BEC equipped ESC (through CH2), but the setup is dead without connecting an external power supply to the receiver (4xAA batteries). I've also tried the same setup but with another receiver (Futaba R162JE), but gets the same silent result.

Does anyone know what might be the problem here? If needed, I can post some photos of the setup.

[shenlonco]

Hi plug the ESC's red plug into the battery slot in your reciever.

Does your receiver have more than two plug spots in it?

Usally have 3 slots

Battery

channel 1

channel 2

I was about to complete my Hornet build, but got stuck/confused when installing the electronics.

I'm using:

* Receiver: Futaba R152JE

* ESC: Futaba MC230CR

* Servo: S3003

The receiver gets the following connections:

* Servo -> CH1

* ESC -> CH2

I'm under the impression that the receiver should get power from the BEC equipped ESC (through CH2), but the setup is dead without connecting an external power supply to the receiver (4xAA batteries). I've also tried the same setup but with another receiver (Futaba R162JE), but gets the same silent result.

Does anyone know what might be the problem here? If needed, I can post some photos of the setup.

[metroplex]

Hi plug the ESC's red plug into the battery slot in your reciever.

Does your receiver have more than two plug spots in it?

Usally have 3 slots

Battery

channel 1

channel 2

My ESC does not have a red plug, it has:

* Motor connect cables

* Battery pack connect plug

* Black plug (connected to CH2)

* Cable connected to a power switch

My receiver has indeed three plug spots; CH1, CH2 and BAT.

[axemandavva]

I'm under the impression that the receiver should get power from the BEC equipped ESC (through CH2), but the setup is dead without connecting an external power supply to the receiver (4xAA batteries). I've also tried the same setup but with another receiver (Futaba R162JE), but gets the same silent result.

Most ESC`s work this way, tamiya TEU ESC`s have a separate cable that plugs into the receiver battery slot to provide power.

It sounds like your ESC has a fault, or possibly does not have a facility to power the receiver (I`ve never seen this apart from on very early ESC`s). The switch on the ESC should turn the receiver and servos on when a battery is connected.

You could try plugging the ESC into channel 1 and the servo into channel 2 just to see if that works - but as you have already tried an alternate receiver I suspect the issue is the ESC. Hopefully somebody will turn up who knows this ESC or has instructions for it to check against.

If there is a fault on the ESC and you can`t get it to power the receiver but everything else works perfectly when you use separate receiver batteries then it may be possible to splice power from the main battery wires to go into the receiver directly to power it... if the receiver is marked "BEC" (for battery eliminator circuit) this should be ok - but do wait for a second opinion. (With manual speed controllers a feed is taken directly off the main battery to plug into a BEC receiver so I think this would work).

If the receiver is not a BEC one then you will need some basic circuitry between the main battery and receiver to avoid blowing it up.

[shenlonco]

Hi i just looked at what components you have you should simply put servo in channel one and esc in channel 2 then plug in rc battery on esc with radio on and set as ESC's instructions and program the ESC to work with your radio.

There should be no problem doing this with your stuff you have listed.

[Champ85]

Disconnect the ESC from the receiver and motor.

Plug the main 7.2V battery into the ESC.

Turn the ESC switch on.

Do you see any lights on the ESC at all?

You should see a blinking red LED on the ESC indicating "no signal detected".

[shenlonco]

Hi also try switching your radios throttle channel switch in the oposit position it is now and give that a try....Other than that maybe you can post a photo showing the reciever and esc all hooked up maybe you have some wires not in the plug in the correct position.

[metroplex]

Disconnect the ESC from the receiver and motor.

Plug the main 7.2V battery into the ESC.

Turn the ESC switch on.

Do you see any lights on the ESC at all?

You should see a blinking red LED on the ESC indicating "no signal detected".

Yes, the ESC's leds is responding both to "no signal detected" and also when giving throttle.

[metroplex]

Hi i just looked at what components you have you should simply put servo in channel one and esc in channel 2 then plug in rc battery on esc with radio on and set as ESC's instructions and program the ESC to work with your radio.

There should be no problem doing this with your stuff you have listed.

Yep, it really should work.. Had another go this afternoon, but still no luck. I'm stuck with the fact that the receiver needs a 4xAA battery pack connected to the BAT connector for the setup to work.

Maybe I should bring the ESC to my LHS for a look/return. For now, I'll stick to my old Tamiya TEU-101BK ESC with a Futaba R162JE (BEC) receiver.

[KEV THE REV]

My ESC does not have a red plug, it has:

* Motor connect cables

* Battery pack connect plug

* Black plug (connected to CH2)

* Cable connected to a power switch

My receiver has indeed three plug spots; CH1, CH2 and BAT.

I've looked at an ESC like yours on Ebay and it shows part of the wiring - motor wires , battery wires ,servo wire ,and red & black wires which look they hook up to the switch , does the switch you have connect to the esc or is it already connected? and does it plug into the battery position on the RX , maybe it picks the power up to the receiver and swiches it off / on as required? hence the power up on plugging in an external power source .The Tamiya TEU esc's have fly lead swtch and another Msonic ESC that I have has no switch at all

[metroplex]

I've looked at an ESC like yours on Ebay and it shows part of the wiring - motor wires , battery wires ,servo wire ,and red & black wires which look they hook up to the switch , does the switch you have connect to the esc or is it already connected? and does it plug into the battery position on the RX , maybe it picks the power up to the receiver and swiches it off / on as required? hence the power up on plugging in an external power source .The Tamiya TEU esc's have fly lead swtch and another Msonic ESC that I have has no switch at all

Yes, the red&black wires (from the ESC) hook up to the switch which in turn isn't connected to the RX. I suspect that leading these wires to the RX would feed it with power. If this is the case, I can't understand why there are no wires going out from the switch to the RX.

[mike_o]

Of the three wires going to the Rx, the red will feed it with +5V. Current return path (and signal ground) is the black wire. The white is the input signal for the ESC. The red and black wires going to the switch is normally an internal loop of the first mentioned red wire. Make sure the switch works and/or test - with a multimeter that +5V is present on the red wire going to the Rx.

[gavin67890]

I had initial setup issues with a new ESC and an older transmitter, please see reply link below. One other way to fault find is to swap CH1 and CH2 around to confirm that the zero point and range are correct.