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Full Version: Hwh and travel mode light
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My green travel light has stopped illuminating.  I. Verified I am in travel mode by doing the washer sticking  to the 4 travel solenoids on six packs.

Leveling system works

I wonder if the light is kaput?

Tom
i resolved this issue finally. i spent a ton of time on it and really tore into the hwh system and learned a great deal.

i have the system 680 control box. i also have two boxes that have indicator lights on them. one for each slide.

my six pack in the rear has 9 2 pin weatherpak plugs there. 4 plugs are for the rear up, down for each side. 2 are for travel mode, the other

3 are electrically tied together and are for the rear six pack low pressure switch. if yours still has it, it is a small round thing that screws into the incoming air source at the six pack. it is a normally open switch that closes and creates a ground when the air pressure is below 85 psi. on mine it had leaked and i took it out and plugged it but did order a new one that i installed. when the pressure switch is unplugged, the hwh control box thinks there is enough air pressure in the system to allow the rear bags to inflate during travel mode by the height control valves.

there is one pressure switch for the rear and it operates at 85psi. if you are below 85 psi, the control box gets a ground from the switch and turns the travel light off, indicating you do not have what is required to travel.

on the front six pack there are 2 high pressure switches. they operate at 20psi. if you are below 20psi in the bags, the switch closes, creates a ground and tell the control box that you do not have enough air in the front bags to travel.

that said, with the light off, it will not stop you from moving and will not stop the travel solenoids from activating. all the travel light is to do is to indicate if you have met all the conditions for travel. another indication is the slides being in with mine.

i traced the wires front to back. i measured voltages and grounds at the control box and at the back. hwh had a 5 week backup but they did call me after about 3 weeks and worked with me till completion. they were very helpful.

when i disconnected the wire inside the control box that was for the rear six pack pressure switch, the travel light came on.

i found the 6 pin plug that was about a foot from the control box up front that contained the wires going back to the rear six pack. it was grimey. i used contact cleaner and sprayed it out real well, then used compressed air to blow it out.

that is what fixed it. now to see if it stays fixed. ha

tom
So...the tiny little green light on the HWH is something that you should look at? Mine used to work, but now does not. I assumed it was burned out.

Thanks for the research! It seems to me that something like this should be displayed more prominently. Like a giant flashing light that says ... "YOU ARE NOT READY FOR TRAVEL".

Did you get any documentation on the control box?

I suspect I have similar issue to yours, Tom.
when the travel light is on, it does not mean you are ready to drive. for example, if you have parked overnite and have the coach leveled. and the front was dropped down to level. or the back or both. when you turn the leveling system off, and turn the key on to go into travel mode, if you have met all the conditions i mentioned, then the travel light will go on. however.....the coach will still be getting to ride height for a few minutes or more depending on how much you leveled the coach overnite. i always wait a few minutes and do a walk around to make sure the HCV s are not still letting air out or to make sure that the coach has raised up enough. on mine, sometimes the front wont come up enough and i have to raise the coach up and let it drop to ride height.

just sayin.....you have to use your experience and not just look at dummy lights.

tom
Who you calling a dummy?!!!! lol!

So...how do I think about the green light? I ignore mine right now cause it does not work...but in reality does it tell us anything useful? Another way to ask this question.... Should I work to fix it?

It seems as if your physical check of the status of the coach is the best approach. (This is what I current do to know if I am ready to go).

Inquiring minds!

bill
Lately, I have been waiting till my supply tank reaches 130 and I hear the pressure relief valve, then I walk around the coach and all appears to be operational. Then I begin to pull the slides in, but not before the coach reaches ride height. Is 130 lbs in the supply tank and hearing the pressure relief valve release a good indicator of systems at full operation?
Mike, seems like a good safe procedure.
(09-06-2017, 07:55 PM)Land Yacht Wrote: [ -> ]Lately, I have been waiting till my supply tank reaches 130 and I hear the pressure relief valve, then I walk around the coach and all appears to be operational. Then I begin to pull the slides in, but not before the coach reaches ride height. Is 130 lbs in the supply tank and hearing the pressure relief valve release a good indicator of systems at full operation?

That is correct
Mike, I would also say yes with one caveat. If the coach is lowered significantly it may take a few minutes after the coach pressure is up for the air to fully bring the coach to travel height.
i agree with richard. the rear end on mine raises fairly slowly. i always do a walk around.

the help with the rear end raising more slowly than the front, i replaced the 2 rear raise solenoid valves with ones that had a slightly bigger orfice. it helped a little.

tom
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