Lost power to the coach and was able to have a local electrician help out. We isolated the problem to the top transfer box which had shore power incoming but the connector would not make contact or seat while there was power. However, when he pushed down the connector and it stayed down and power was restored. When power to box was turned off then back on the connector again needed to be pushed down manually to connect, any ideas on why connector not resetting?
I started the generator and that was working powering the coach even though one wire was a mess which we cleaned.
I guess is it best to replace transfer box any ideas on a new replacement model? My current model is the ATS 100, I attached the photo of the box cover, hopefully, as I do not see it when I previewed my post
Tony
Photos added to post do not show up until you "save" the post and go back to the normal Forum view.
The individual contactors inside the transfer box can get "weak" from age/use. They are replaceable. Use safe working practices when working on 110V equipment. BE SURE all power is isolated from box.
Or you can replace the whole box. Search online for suitable replacement models. See thread below:
Replace ATS100 110v? Lost all AC power. Replace/Fix? automatic power switch (https://www.foreforums.com/index.php?topic=33719)
Your electrician friend/helper should know where (locally) to buy a replacement part, if speed is important.
Howdy Tony,
I replaced mine several years ago with: PD52DCS Progressive Dynamics
I followed Jack Lewis footsteps: A/C Electrical Issues, DC Side just fine! (https://www.foreforums.com/index.php?topic=35728.msg335753#msg335753)
I bought ours from Amazon.
I've seen this one recommended as well: Lyght LPT50BRD
I think the key is DC coils, much, much more quiet than original ATS 100.
Good Luck, Dave A
There should be no need to replace the transfer switch. Foretravel used top quality components here.
Inside the transfer switch is a contactor (essentially a big relay) which has 2 replaceable wearable components. The coil that pulls the contacts together and the electrical contacts themselves. If you post a picture of the inside of the transfer switch box (make sure shore power is disconnected, the generator is off and the inverter is off before removing the cover), I can see what contactor is used.
I may be possible to just clean the contacts with sand paper and have functionality restored.
Thanks all for your prompt replies ....I made the mistake of completing the shopping list at 4:00 PM at Wally World...just got back busy busy busy!
I will post a picture tomorrow afternoon...I have a plumbing chore to complete in the morning. I would love to try and not have to replace the box if I can just be able to replace or clean the connectors.
Tony
Hi Dave,
I am not at the coach right now and I did not take any measurements of the ATS box, does the new PD52DCS transfer box fit in the same space on top of Box 2 as the original ATS 100?
Tony
Tony, when my ATS contactor went bad, I replaced it with part #CR353ADY39A-GEGP which I purchased from Galco Industrial Electronics. Galco Industrial Electronics (http://www.galco.com). Ordered online and received it within a couple of days. I can't find the billing receipt but it seems like it was around $65 +/-.
Like others already said, be SURE that the electrical is turned off/disconnected. Bad things can happen otherwise.
Be safe, hope this helps.
Larry
I had a similar problem. Ended up being the orange hi/lo voltage relay. Here is the thread that helped me diagnose the issue.
Need help - Lost shore power this evening (https://www.foreforums.com/index.php?topic=10150.msg46567#msg46567)
Here are 2 pictures of inside of the Transfer switch....one with an arrow pointing to the connector which I need to push down to seat when shore power is on, The other photo shows the connector wire on the generator side needing cleaning but this connector worked when the generator was started.
If I cannot find a replacement connector, I believe my best bet will be purchase the Progressive Dynamics PD52DCS box instead. Let me know what you think
Thank you, Tony
Looks like what I replaced in reply #6.
Hi Tony,
Looking at the top two wires in the second photo you can see that they have gotten very hot. The Red wire is burnt at the connector and severely corroded. These need to be fixed before you install a new ATS.
Damage probably due to very high resistance at the connector or the contactor .
Steve
Yes Steve, I will need to clean up a few of the wires before putting in the new Progressive Dynamics PD52DCS box I ordered this afternoon should be here in 4 business days.
Thank you,
Tony