[GreenKeys] Model 15 mailbox

[Jim Cooper]

On 14 Jun 2019 at 17:40, Joe Herdler via GreenKeys wrote:

> There is a metal tab on the back of the unit, that when I push it
> causes the carriage to return under its' own power.
> That is the latest that I have on the model 15.

If the carriage assembly returns when you press 
that tab, that tells you (us) that the CR strap and 
the spring inside the CR assembly are both ok -- 
and then you need to look at the mechanics that 
release the CR when the right code is received.