I have a new Castle Edge 50 Lite that appears to be DOA...or I am having a brain fart.  Wired correctly it sings to me when the arming plug is inserted then counts the cells (4) then immediately starts flashing RED and won't arm.  A frantic search of the RC groups says that either the throttle is not calibrated or it is in thermal shutdown.  It is not hot and the timer came from a working system (a working Castle 50) and it works perfectly when put back in the old system.  Same with the Motor.  Programming was copied from the working ESC.   I have attached a photo of the setup (sans battery & motor) just in case it is a brain fart.

Thanks - Ken

Have you hooked it up to your PC using the castle link?  Perhaps this will help in your diagnosis.

I have.  Castle Link does not have any diagnostics.  It programs just fine.

Ken

If it is a new speed controller it's idle set point may be wrong.  If you have a servo tester you can check and see what range the speed controller responds at.   My servo tester can measure the pulse width output of the timer as well as drive the speed controller.   I couldn't find the one I have on ebay but this one will drive the speed controller.

https://www.ebay.com/itm/HJ-Digital-Servo-Tester-ESC-Consistency-Tester-RC-Helicopter-Tester-Tool-W6V5/222982426987?epid=22023558559&hash=item33eac9d16b:g:8tUAAOSwEnZa7RPZ:rk:14:pf:0

You set it's output to 1 ms.  turn on the  speed controller and it should arm.  Turn the knob on the tester till the motor starts to run.  This is the low end set point of the speed controller.  You can then read on the digital readout for value.  You can then check the working speed controller and find out what is the low end start point.  Any way  being able to measure the pulse width it takes to operate a speed controller is the key to sorting out what is wrong.  Per you speed controller instructions the low end set point can be adjusted.  All electric flyers should have a servo tester and learn how to use it.

If it is a new speed controller it's idle set point may be wrong.  If you have a servo tester you can check and see what range the speed controller responds at.   My servo tester can measure the pulse width output of the timer as well as drive the speed controller.   I couldn't find the one I have on ebay but this one will drive the speed controller.

https://www.ebay.com/itm/HJ-Digital-Servo-Tester-ESC-Consistency-Tester-RC-Helicopter-Tester-Tool-W6V5/222982426987?epid=22023558559&hash=item33eac9d16b:g:8tUAAOSwEnZa7RPZ:rk:14:pf:0

You set it's output to 1 ms.  turn on the  speed controller and it should arm.  Turn the knob on the tester till the motor starts to run.  This is the low end set point of the speed controller.  You can then read on the digital readout for value.  You can then check the working speed controller and find out what is the low end start point.  Any way  being able to measure the pulse width it takes to operate a speed controller is the key to sorting out what is wrong.  Per you speed controller instructions the low end set point can be adjusted.  All electric flyers should have a servo tester and learn how to use it.

I use Huben timers to control speed.  It is a new Timer and it has been programmed correctly.  It works when put on another system.  Also, another working timer was tested on the problem ESC and the ESC still did not arm.

Ken

I use Huben timers to control speed.  It is a new Timer and it has been programmed correctly.  It works when put on another system.  Also, another working timer was tested on the problem ESC and the ESC still did not arm.

Ken

All the more reason to have a servo tester with a digital readout.  It allows you to operate the ESC independent of the timer.  It gives you hard numbers on where the ESC is responding.  A true test of the ESC.