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-   -   Power Step Electrical (http://www.airforums.com/forums/f240/power-step-electrical-156765.html)

tlundell 09-12-2016 12:41 AM

Power Step Electrical
 
Here's a puzzler for the electrical wizards: Opened the sliding door on my 2015 Grand Tour, and the step did not come out. I assumed it might be the fuse, as had happened once before. Pulled the 15 amp fuse #10 and it looked fine. Stuck it back in the slot and I could hear the step extend on the other side. Hmmm. Suspected the fuse might be conducting intermittently, so replaced with fresh fuse. Tried again and same result. Step does not extend or retract (except when engine starts) unless I remove and reinsert the fuse. Ideas?
Tim

73shark 09-12-2016 10:24 AM

Possibly bad contacts in the fuse holder or bad wiring connection to the fuse holder. Next time, just try wiggling the fuse w/o removing it.

PS: Not a wizard yet, still working on apprentice. ;)

don000 09-12-2016 08:18 PM

Might not seem perfectly logical, but often problems like this arise from a bad ground.

tlundell 10-21-2016 11:47 AM

Just for anyone who was curious about this puzzler: I have been living with the strange power step experience for the past several weeks by quickly pulling and replacing the fuse in slot 10 in order to extend or retract the step, but finally called Airstream tech support to brainstorm the problem. They got back to me very quickly with the diagnosis, though the repair is going to involve the hassle of a trip to the dealer. One of the two relays in the circuit for step operation is apparently stuck and only activates when power is cut then restored through the removal and replacement of the fuse. The responsible relay is either in the step well circuitry or in (behind, under) the kitchen cabinet.

aoldpiddler 11-01-2016 01:18 PM

I'm having same issue with my 2014 1/2. I can manually pull steps in or out and when the sliding door is opened or closed you can hear the motor running but steps won't come out. Did you get your steps working?

Boxster1971 11-01-2016 03:23 PM

Quote:

Originally Posted by tlundell (Post 1867258)
Just for anyone who was curious about this puzzler: I have been living with the strange power step experience for the past several weeks by quickly pulling and replacing the fuse in slot 10 in order to extend or retract the step, but finally called Airstream tech support to brainstorm the problem. They got back to me very quickly with the diagnosis, though the repair is going to involve the hassle of a trip to the dealer. One of the two relays in the circuit for step operation is apparently stuck and only activates when power is cut then restored through the removal and replacement of the fuse. The responsible relay is either in the step well circuitry or in (behind, under) the kitchen cabinet.

I was about to send a response that it was probably a relay - then I read your post and confirmed my suspicions. Good job!

WBS248 11-02-2016 04:40 PM

I am having the same problem with my 2015. I discovered the same that by pulling the 15 amp fuse the step will extend. Took the van to my dealer. All day and no one could figure it out. They thought it might be the contacts in the door but that was not it. Here is the funny thing. Three days ago everything started working correctly extending and retracting when it was suppose to VERY HAPPY. Then S___ it got stuck retracting half way. Would not do anything in or out. Started the van and it would not retract and now I had a beeping that would not quit. So I pulled the 10 amp beeping stopped. Pulled the 15 amp and put it back and still stick. Had to pull out a wrench and manually retract the step. Now it does not work at all.

Any ideas?

tlundell 11-02-2016 11:40 PM

WBS-- Sorry that yours has gotten worse...we have lived with the inconvenience of pulling/replacing the fuse to get it extended, but have not had an issue with retraction on starting engine. Factory was quite certain that it is a relay problem, one of the two in the step motor circuit, but it will take trial and error to figure out which one. Until/unless my situation deteriorates further, I will defer the trek to the dealer until I have a couple of fixits to address. Good luck....your dealer should be able to diagnose and repair using the circuit diagram.

southjk 11-04-2016 03:43 PM

I've got the same problem in a 2015 GT. I've been manually pulling the step in and out as needed to avoid the insane beeping. Still haven't figured out how to stop the graveling sound of something in the step when pushed in.

southjk 11-04-2016 03:44 PM

Where is the fuse panel, the one in front or rear.

UKDUDE 11-04-2016 10:56 PM

Quote:

Originally Posted by southjk (Post 1872788)
Where is the fuse panel, the one in front or rear.


The step 20 amp fuse is located in the Sprinter fuse panel under the driverís seat, position F-10.


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