Shows green always or shows green when the track switch is aligned straight thru and goes dark when set for diverging?

Lew

 

Operator of the Plywood Empire Route in the Beautiful Berkshires

Growing old is so much more fun than the only alternative.

Larry, Just for info the switch assembly has 2 led for red and 2 for green. unlikely both failed. Sending it to a auth dealer will cost more than a new one. I can buy the circuit board from Lionel if I knew for sure it has failed. Just checking to see if anybody has had this problem and I am in the right area before I order parts. Thanks for the reply   Roy O

The simple way to troubleshoot is to substitute another (working) remote controller and see if both colors work.

The yellow wire from the track switch is either +5VDC or -5VDC with-respect-to-ground (the black wire) and there are diodes in front of the green and red LEDs in the controller such that + lights one pair of LEDs and - lights the other color LEDs. Thus, either the diode in front of the red LED has failed or the board in the track switch has failed.

Lew

 

Operator of the Plywood Empire Route in the Beautiful Berkshires

Growing old is so much more fun than the only alternative.

I checked voltage in the controller at yellow to ground (black wire)  The green light position reads 5V DC  red position 1.5V DC,  guess that says it all.  I think when I looked the board is no longer available.   It still operates so I guess I will leave it alone.  Roy O      Saved me from purchase of control board I do not need.

You could try disconnecting the yellow wire from the remote controller and then measure the red position voltage. It is at least possible that one of the two red LEDs failed shorted-to-ground which would pull down the voltage. 

Lew

 

Operator of the Plywood Empire Route in the Beautiful Berkshires

Growing old is so much more fun than the only alternative.

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