This is a SWAG (scientific wild a** guess)…
In the early remote control systems, there is a safety interlock to prevent damaging the system. That interlock is in the "remote control receiver" mounted in the front passthrough, not in the hand held remote transmitter.
The way that interlock works is to "disable the switches on the control panel when the remote transmitter is used to activate a function"... It will remain "disabled until the remote transmitter completes the cycle"...
In other words, if you turn on a light with the remote, the control panel switch for that light will not work until you turn off the light with the remote....
Same with slides, awnings, front landing gear. If you use the remote to extend the slide, the interlock in the remote receiver will "lock out the control panel switch for the slide" until you pull the slide with the remote transmitter. Same with the awning, same with any other function on the remote handheld transmitter....
Through the years, LCI changed/modified some of the functions to eliminate the lock out for some of the connections. One year it might work with switch or remote with no difference and the next year that function might not work... in other words, there has been very little standardization in how the safety features of the remote system were wired (by Keystone) or built (by LCI)…
So, my suggestion would be to prepare the trailer for towing (pull in the slides, awning, turn off all lights, etc) with the remote. Then try the control panel switches... Hopefully they'll work. If they don't, then you'll need to do a reset of the remote system. Don't do that unless ABSOLUTELY necessary because many dealers don't have techs around that remember how to set them up again and if you reset it, you'll have to completely reprogram it. Without someone that knows how to do it, it could put you into a "never did work right and won't even turn on now" situation....
Try using the remote to get the trailer in the "ready to tow" condition and then try the control panel switches.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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