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Old 09-25-2024, 04:10 PM   #1
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Schwintek slide issue

2021 AB 40ip d/s rear slide is out of sync. I have tried the one inch in or out method from full in or out. Didn’t help. I have used the emergency controller 6 button pushes and hold on the 7th until the lights flash. It works perfectly doing that. But the next time I run it in or out, the front side drags and then the slide stops. Any thoughts?
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Old 09-25-2024, 05:21 PM   #2
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Quote:
Originally Posted by txav8r View Post
2021 AB 40ip d/s rear slide is out of sync. I have tried the one inch in or out method from full in or out. Didn’t help. I have used the emergency controller 6 button pushes and hold on the 7th until the lights flash. It works perfectly doing that. But the next time I run it in or out, the front side drags and then the slide stops. Any thoughts?
txav8r
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I would recommend calling us or Lippert to help you trouble shoot the slide. There are several different causes for the slide to act like how you describe. It would be more effective and time efficient for you to speak with a service tech and have them run you through the different check points. If you have a voltmeter and are comfortable using it for 12V, that would definitely help us help you resolve the concern.

We are currently closed but if you would be willing to call Lippert, 574-537-8900, their tech support stays open till 7pm EST. They can help you get to the root cause as well.
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Old 09-25-2024, 06:43 PM   #3
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Quote:
Originally Posted by txav8r View Post
2021 AB 40ip d/s rear slide is out of sync. I have tried the one inch in or out method from full in or out. Didn’t help. I have used the emergency controller 6 button pushes and hold on the 7th until the lights flash. It works perfectly doing that. But the next time I run it in or out, the front side drags and then the slide stops. Any thoughts?
txav8r
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I think you may be confused on the re-sync method. The motors are sync'd by stalling them out. If you can get the slide to close, hold the button a few seconds after it stops and then release. Run the slide out 6" and then back, holding the button for a few seconds after the motors stop again. Repeat about 4 times and(hopefully) the motors will be back in sync.

As Shawn alluded to, there may be other issues so, if the above still doesn't work, call Lippert.

Sync procedure from Renegade's web site:

Quote:
Originally Posted by Renegade RV
In most cases, this is the Schwintec Mechanism needing to have the home position reset. Bring the slide in or take the slide out 6” then return and hold the button for 4 seconds after the slide stops. Repeat this 3 to 4 times and your slide should be back in sync.
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Old 09-25-2024, 07:50 PM   #4
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Welcome to the club.

Research Vroom replacement mechanisms, make an appointment, pay your money, and put it behind you.

The Schwintek mechanisms are just not up to the task. Neither Tiffin or Schwintek will step up and admit culpability.
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Old 09-26-2024, 12:58 AM   #5
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I guess I described my procedures poorly. I did just as several of you described trying to resync. Except, it won’t move a full 6” before it jams. I can get it 2-3” and then it jams. But I have run it until the motor stops and held the switch the 4-6 seconds. It hasn’t fixed it. It’s strange to me how using the emergency procedure allows the motors to run in sync but trying it outside of that procedure has them jam. As soon as all the other parts come in from the selling dealer, I am headed to Red Bay to get some things fixed. This will be one of them if I don’t achieve a solution before that. I’ll try Lippert tomorrow if I can. We are headed out tomorrow.
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Old 09-26-2024, 07:16 AM   #6
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I read somewhere, probably on this forum:
when slides are IN & want to extend, to first press & hold the button for slides IN, & wait until motor stops, THEN push to make slides out. Similar for when slides OUT, first push to extend OUT until motor stops, then push to rertract IN ..... & don't stop motion in either direction until movement & motor stops (ie wait a few seconds more).

Maybe mention this suggestion when you contact manufacturer; would be interesting to hear as to what issue / solution is.

Good luck.
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Old 09-26-2024, 07:39 AM   #7
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txav8r

Sent you a PM.
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Old 09-26-2024, 08:21 AM   #8
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Quote:
Originally Posted by bneumann View Post
I read somewhere, probably on this forum:
when slides are IN & want to extend, to first press & hold the button for slides IN, & wait until motor stops, THEN push to make slides out. Similar for when slides OUT, first push to extend OUT until motor stops, then push to rertract IN ..... & don't stop motion in either direction until movement & motor stops (ie wait a few seconds more).

Maybe mention this suggestion when you contact manufacturer; would be interesting to hear as to what issue / solution is.

Good luck.
Attached is the synch procedure from LCI.

Sam
Attached Files
File Type: pdf Schwintec slide Synch.pdf (95.7 KB, 9 views)
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Old 09-26-2024, 08:30 AM   #9
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When was last time you lubed slide with correct lube?
Might help.
Correct lube is CRC POWER LUBE WITH PTFE.
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Old 09-26-2024, 08:55 AM   #10
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As Shawn said… it could be a number of things. Resyncing works sometimes but can’t cure all problems.

Slide problems are super common and most Mobile RV Techs have experience diagnosing and fixing slides these days. Call one and get your problem solved.
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Old 09-26-2024, 03:02 PM   #11
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My 2020 34PA slide issues are not quite the same as yours, but similar. It seems that one/more rollers were dragging/stuck. This dragging creates more motor current to move the slide.

The controller will shut down the motor/slide, when an over-current condition is experienced. Using the override either raises or removes the current limit and allows the motor to run, although... in a high current state.

Mine, eventually started jumping gears in 3 of the 4 Schwintek in-wall assemblies. There is metal grinding dust all over the motor/assembly.

When yours 'Jambs' again, take a look at the controller to see if there is an error code flashing. My controller would give me a 'motor 1 short' when extending and 'motor 2 short' when retracting.

And, I have already called VRoom to get on the list to get all of my Schwintek replaced... I'm sitting here waiting for the next available install slot (North Dallas) to materialize... could be February before I get an install date.

Good luck!
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Old 10-02-2024, 08:11 AM   #12
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Hello txav8r,
I repaired one of my friend’s slide out last year. It had the same symptoms as yours. Worked perfectly in the ‘manual mode’ i.e. with the green/red lights are flashing on the controller. But once it was in ‘normal mode’ the slide would move for an inch or so and stop one one side and get crooked.
The problem came from one of the motor’s encoder that was not properly working. These encoders send speed and turn counts to the controller that monitors both motors and keep them sync. The encoder is on the motor assembly, under the plastic cover where the wires come out. On his unit the front motor got flooded from water standing on top of his slide out.
The controller will tell you what’s the fault by means of blinking sequence on the status lights. There’s a fault code (blink color count) on the controller’s cover.
Good luck,
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Old 10-02-2024, 09:23 PM   #13
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Quote:
Originally Posted by txav8r View Post
It’s strange to me how using the emergency procedure allows the motors to run in sync but trying it outside of that procedure has them jam. As soon as all the other parts come in from the selling dealer, I am headed to Red Bay to get some things fixed. This will be one of them if I don’t achieve a solution before that. I’ll try Lippert tomorrow if I can. We are headed out tomorrow.
I believe what can cause a jam is one side of the slide gets slowed down or hung up for any of several possible reasons, then the motor on that side stops on high amps.
When you use the 'emergency procedure' which puts the controller in manual mode, there is no longer an overload (high amps) protection, or any protection. So, the motor just pushes through whatever is causing the drag on the one side. It may work, but you very much risk further damage. Something is causing drag, or resistance. Have you inspected your rollers, the inboard and outboard sets? And, while inspecting the outboard rollers, have you looked at the plates under your slides that the rollers run on for any foreign material buildup or damage? There are circumstances where the slide jamming is not a Schwintek issue, but is an issue with what the Schwintek has to attempt to overcome.

Have you arrived in Red Bay for service yet? Have you gotten into a service bay? If so, what did you learn?
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Old 10-03-2024, 10:55 AM   #14
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Thanks

I appreciate all the viewpoints and suggestions. I have looked at the slide points hut I have yet to find the rollers. I did lube the tracks but have read different posts and suggestions regarding that. Some say no lube and others recommend. What’s weird to me, is that one side drags going out and the opposite drags coming in. With just an initial push, the slide will continue on its own. No, we are still awaiting parts from the dealer before we head to Red Bay. The slide isn’t the only issue we need addressed. Thanks again for your insight into the slide!
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