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Old 10-08-2019, 07:55 PM   #1
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Hydraulic issue

I am having an odd problem with our 2013 36RE. Everything was working fine a week ago. We just returned from a week-long non-RV trip. When we got home today, I tried to put the slide out and they would not move. More testing showed that the ODS and front jacks work fine and the pump sounds normal. When I try the slides and DS jacks, nothing happens and the pump sounds odd (no high pitch sound, more like slow rumble).

Any ideas about what is going on?

Need to use the RV to go to my brother's funeral, departing Thursday. Any help would be greatly appreciated.

Thanks,
Mike
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Old 10-09-2019, 08:49 AM   #2
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Update - Hydraulic issues

I have done some more checking on my hydraulic issues.

The solenoids for the Door Side jacks and the slide rooms are fine. I checked them by moving the wire from the solenoid that controls the Off Door Side jacks that work to the solenoids for the DS jacks and slices and the solenoids work fine. I can control the DS jacks and the slides by using the remote ODS button.

If I open the non-operational valves with the allen wrench, I can move the DS jacks and the slides.

I have power to the relay board that is mounted just above the big circuit breakers with the teeny weeny reset buttons. There is also a good connection to ground.

The problem is that when I actuate the DS jacks or the slides, there is no voltage going to the wires that run to the solenoids. There is voltage on the wires going to the two solenoids that work.

It seems to me that two of the little relays on that relay board have failed. I don't think I have overlooked anything. I can't think of anything else that would take out two parts of the hydraulic system, but leave the other two parts operational.

Anyone have any other ideas?

Thanks,
Mike
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Old 10-09-2019, 09:01 AM   #3
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Did you pull the control board and see if there's a loose wire powering those buttons or maybe a blown fuse?
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Old 10-09-2019, 09:24 AM   #4
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By control board, do you mean that relay board? If so, I have not pulled the board to check the back. I have pulled all the individual wires off and pushed them back on to make sure they fit snugly. I have checked all the fuses on the relay board and they are all good (checked with ohm meter).

The issue is that I am not getting voltage to the solenoid control wires. That is why I suspect the relays on the board.

However, I am open to any and all suggestions.

Thanks,
Mike
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Old 10-09-2019, 10:21 AM   #5
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Do you have physical switches/pushbuttons or are you using a remote?
If you have switches I'd suspect them. and that's the panel I'd pull and test them.
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Old 10-09-2019, 10:39 AM   #6
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Issue is the same using buttons or remote.
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Old 10-09-2019, 10:43 AM   #7
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Did you check the fuses on the remote receiver as well as in the power panel?
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Old 10-09-2019, 10:50 AM   #8
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When checking a fuse always make sure you pull the fuse. I have seen many times in my career in maintenance that someone checks a fuse in the holder and it checks good due to back feeding through the circuit.

I have not looked at the valves on a camper to see, do they have a manual override on them like an industrial valve has. That can get you by until you have more time to work on it.
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Old 10-09-2019, 12:01 PM   #9
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Hi, Travler. Yep, always pull them out to check. I was an electronics tech for 15 years before I got my EE degree.

I found another thread on this forum that described the same problem that I am having. I have to replace the remote control / relay board.

Thanks for 'll the suggestions,

Mike
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