MMP Problem

[fastbaja5b]

When the LED's are plugged in and not working, Servo and RX is fine (when I run a cap), Castle cooling fan spins notably slower compared to any other ESC.

I have tried different rx's (Futaba R603GF, Spektrum SR300), different ESC;s (VXL, Xerun 60A) and all other ESC's power lights on and with both receivers. No LED's work with the MMP, that's with any receiver, and with/without servos and with/without a Cap.

Using the same 3rd channel plug from the receiver to the lights, and running an external BEC, the lights are fine.

I have tried a mates MMP and that powers the LED's fine. The Sidewinder SCT ESC also did (although it ran hot)

I have no doubt it's an ESC issue but am hesitant to send it in given down time, freight costs etc.

[Pdelcast]

Originally Posted by fastbaja5b

When the LED's are plugged in and not working, Servo and RX is fine (when I run a cap), Castle cooling fan spins notably slower compared to any other ESC.

I have tried different rx's (Futaba R603GF, Spektrum SR300), different ESC;s (VXL, Xerun 60A) and all other ESC's power lights on and with both receivers. No LED's work with the MMP, that's with any receiver, and with/without servos and with/without a Cap.

Using the same 3rd channel plug from the receiver to the lights, and running an external BEC, the lights are fine.

I have tried a mates MMP and that powers the LED's fine. The Sidewinder SCT ESC also did (although it ran hot)

I have no doubt it's an ESC issue but am hesitant to send it in given down time, freight costs etc.

OK -- Well the Xerun and VXL both use linear regulators. The MMP uses a switching regulator. The LEDs might be tripping an over-current sense in the switching regulator for some reason.

What's the measured voltage on the RX cable with the LEDS, servo and RX all plugged in?

Is there a resistor in series with the LEDs? (This is critical!)