Sat Dish won't retract when engine starts - Page 2 - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #11 of 15 (permalink) Old 07-07-2021, 07:25
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A question for you please John.

Am I right in thinking that there are two lives. One for the auto-retract and one for general use of the system? Where the former gets it's power from may depend on the preferences of the installer and perhaps what's easiest for them?

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post #12 of 15 (permalink) Old 07-07-2021, 08:51 Thread Starter
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Originally Posted by eurajohn View Post
As the system can be retracted via the controller, suggests that it is the D+ signal that is missing.
Not knowing the electrical management system fitted to your van, difficult to make suggestions as to why that is.
Although strange that the fridge is still working via 12 volt, as that will also be controlled by the D+

Ten-haaft recommend using the D+ signal for auto retraction rather than an ignition on signal, on most German vans that is supplied via the electrical management system, be it Schaudt, CBE etc., as the power for it should be supplied from the leisure batteries not the van one.

If you feel confident enough to investigate and need any specific help just ask.
The Ten-haaft web site is good and you can download specific information for the system you have.


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You got me thinking, so I checked the fridge again , turns out the fridge light is on when the selection switch is set on any setting ie Elec, !2V, Gas , so the light being on does not mean that the fridge is working ( which I thought) . We are going on a long trip this Fri , will check if the fridge works then.

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post #13 of 15 (permalink) Old 07-07-2021, 08:58
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Originally Posted by Gretchibald View Post
You got me thinking, so I checked the fridge again , turns out the fridge light is on when the selection switch is set on any setting ie Elec, !2V, Gas , so the light being on does not mean that the fridge is working ( which I thought) . We are going on a long trip this Fri , will check if the fridge works then.
Correct my fridge has a separate 12v supply that powers the control panel and interior light.

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post #14 of 15 (permalink) Old 07-07-2021, 20:59
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Originally Posted by erneboy View Post
A question for you please John.

Am I right in thinking that there are two lives. One for the auto-retract and one for general use of the system? Where the former gets it's power from may depend on the preferences of the installer and perhaps what's easiest for them?
Hi Alan, yes correct one feed for the "normal" use and the D+ feed to ensure retraction when engine starts, normally both would source its power from the habitation battery, just the auto retract activation via the D+


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post #15 of 15 (permalink) Old 16-08-2021, 23:20
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On the control box (not the little box you press to start) there is a plug with three wires to it. Red, brown & black. The black one carries the signal from the D+ to operate lowering the dish. At least on our last two Oysters. Check if you have a feed on the black one when the engine is running.
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