I just received a supposed new RK Santa Fe F3 with PS3 and, when I put it on the program track, there's no communication with the TIU. I checked the instruction sheet and it said flip the switch on the bottom from DCC to DCS if there is no response. When I looked there is no switch, only an empty hole where it should have been. Any thoughts on this? Has somebody swapped boards as the engine runs in on variable AC transformer power and make sounds and lights or is there some other problem?
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The RK models now come with the jumper for DCS, they eliminated the switch. I suppose they save money, but the stated objective was to minimize the service calls.
Does the engine also actually move in conventional mode? Remember for PS/3 to let it charge for 30-40 seconds with track power on before trying to move out.
Well here's what I found. Yes, it does operate in conventional mode and I was able to program it with a second TIU. Both are older serial models and the one I want to use on a separate layout with the SF F3 PS3 will program PS2 Locos fine, but for some reason doesn't recognize PS3 locos. Does this TIU need an update to fix it or does it have some other problem?
I've added PS3 locos into older TIU's with software at 4.10 IIRC. Have you run other locos with it now?
You should always ensure that all TIUs and DCS Remotes on a layout have the same level of DCS software. Otherwise, unexpected results may occur.
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Like Barry says, first step is to get all your stuff at the same version. It doesn't "have" to be the the latest, just consistent.
After you do that, then you can start looking for other issues. 
OK, it looks like my next project is to learn how to update my TIU. One is 4.10 and the other 2.10 and I'll need to bring it to at least 4.10. I maybe back looking for help, but I see there's a good video on Youtube
Thanks to All, George
Yikes, you are WAY behind. You'll probably want to bring them all up to the current version, no reason to go with a very old version when you're doing all the work to update them anyway!
GRJ is absolutely correct. FYI, I have Rev G (original issue) TIUs, and have no trouble adding PS3 locos.
Updating is easy. The update program gives step-by-step instructions.
When you applied power with this TIU did the engine stay quiet or did it start up as if in conventional? Does this TIU work with other engines? Could be a degraded TIU, could be a PS-3 diesel with wire harness interference with signal strength if one of the early PS-3 models. G
OKay, here's the latest with this ongoing saga. I finally got all the cables, etc. to do an update to the TIU and remote and I down loaded DCS 5.0 to them per MTH's instructions. When I went to program the SF F3 with PS3, the Remote just kept looking for the engine and never found it. Plus, it locked up and I had to remove the batteries to shut it off. The remote's screen read DCS 5.0, so I assume it's installed. Also, I tried a previously programmed UP E6 with PS2 and it goes direct to startup and the remote doesn't have any control of it. Any thoughts on this would be appreciated
You're doing something wrong. The current version of the Loader program is 5.0, but the current version of the DCS software for the remote and for the TIU is 6.1. On boot-up, your remote should read 6.1, and if you go to TIU setup and check that version, it should also be 6.1.
RJR posted:You're doing something wrong. The current version of the Loader program is 5.0, but the current version of the DCS software for the remote and for the TIU is 6.1. On boot-up, your remote should read 6.1, and if you go to TIU setup and check that version, it should also be 6.1.
When I downloaded the loader program 5.0, I also down loaded DCS 5.0 that was with it. I figured I'd see if that worked before I went to 6.1.
GGG posted:When you applied power with this TIU did the engine stay quiet or did it start up as if in conventional? Does this TIU work with other engines? Could be a degraded TIU, could be a PS-3 diesel with wire harness interference with signal strength if one of the early PS-3 models. G
The PS 3 SF F3 engine from 2013 stayed quiet, but the previously programmed PS2 UP E6 did a start up. The PS3 diesel runs fine in conventional mode.
When I downloaded the loader program 5.0, I also down loaded DCS 5.0 that was with it. I figured I'd see if that worked before I went to 6.1.
That’s not correct. MTH does not have DCS 5.0 on their website. They have Loader program 5.0 and DCS 6.1.
Further, once you download both the Loader Program and DCS, you must use the former to install the latter.
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