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Old 06-23-2021, 05:30 PM   #1
2 Rivet Member
 
2017 30' Classic
The Panhandle , Idaho
Join Date: Aug 2017
Posts: 85
2017 Classic 30 Bathroom Light Issues

The bathroom lights in our 2017 Classic 30 are acting up intermittently. This started about 2 years ago (while the trailer was still under warranty) with the lights dimming and flickering for no apparent reason. Took it to the dealer (Spokane Airstream) but they said they could not duplicate the issue. "Bring it back if it does it again." That's a 2+ hour round trip, and the next few times out the lights did not flicker.

Just returned from a short trip and found that now the lights only come on intermittently. When you press the "Bathroom Light" soft button on the wall panel it turns blue to indicate "ON" but the two lights do not come on. Repeatedly pressing the button has no affect. Quite by accident we found that if you left the button "ON" and showing blue, the lights would come on sometime in the next few minutes. We haven't timed the delay, but it seems to be about 3-5 minutes.

When they are on the lights still flicker.....sometimes. Also, they turn off okay either by pressing the dedicated soft button in the bath or by pressing any of the Master Off buttons. Of course now the trailer is out of warranty.

So, any ideas where to start looking? It seems to act like a loose connection somewhere. I expect it is not a loose wire in the lights themselves as both fail to turn on, unless they are daisy-chained together and the short is in the first fixture. Or maybe there is a loose terminal in the control system. Where is that located and does anyone have a schematic of the control system wiring and a routing diagram of where the wires are located?

Thanks for any ideas or suggestions on how to tackle this. Needless to say, the DW is not happy about having no light in the bathroom when she is getting ready in the morning!!
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Old 06-23-2021, 05:53 PM   #2
Half a Rivet Short
 
2017 30' Classic
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 10,537
Hi

Ok, first up would be the wire nuts that connect the wires together. You can get to many of them simply by dropping out the light fixture(s). Next would be the wire nuts that connect upstream from the lights. Those may not be quite as easy to track down.

After that there's your friend the Firefly system. There are connectors that tie it to "stuff". One of those connectors may have come loose. Starting point would be under the wardrobe / behind the panel to the right.

If all the lights go out together, that probably covers it.

Bob
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Old 06-24-2021, 12:20 PM   #3
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2017 30' Classic
The Panhandle , Idaho
Join Date: Aug 2017
Posts: 85
Quote:
Originally Posted by uncle_bob View Post
Hi

Ok, first up would be the wire nuts that connect the wires together. You can get to many of them simply by dropping out the light fixture(s). Next would be the wire nuts that connect upstream from the lights. Those may not be quite as easy to track down.

After that there's your friend the Firefly system. There are connectors that tie it to "stuff". One of those connectors may have come loose. Starting point would be under the wardrobe / behind the panel to the right.

If all the lights go out together, that probably covers it.

Bob
Thanks for the quick response, Bob. I figured this was caused by a loose connection somewhere. Just wasn't sure where to start looking. As you have the same trailer, your insight is much appreciated. For example, I did not know where the Firefly system was located.

One question: Any advice on "dropping out the light fixtures" in the bathroom? Do they twist and drop or are they held in by spring clips? I don't want to damage one trying to get it out of the ceiling.

Thanks again.

Hoagie
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Old 06-24-2021, 02:20 PM   #4
Half a Rivet Short
 
2017 30' Classic
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 10,537
Quote:
Originally Posted by Hoagie View Post
Thanks for the quick response, Bob. I figured this was caused by a loose connection somewhere. Just wasn't sure where to start looking. As you have the same trailer, your insight is much appreciated. For example, I did not know where the Firefly system was located.

One question: Any advice on "dropping out the light fixtures" in the bathroom? Do they twist and drop or are they held in by spring clips? I don't want to damage one trying to get it out of the ceiling.

Thanks again.

Hoagie
Hi

I've had them all out a couple of times. As I recall the "dome" twists off and that gets you at the mounting screws.

Bob
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Old 06-28-2021, 09:43 AM   #5
2 Rivet Member
 
2017 30' Classic
The Panhandle , Idaho
Join Date: Aug 2017
Posts: 85
Took me a few days to get back out there. It is HOT here and I had to pick a day I could cool the AS down a bit with the AC before working in there.

Anyway, once I got the SS trim rings off and had access to the mounting screws I dropped the light fixtures out of the ceiling. No wire nuts. JC used crimp connectors. Both are crimped tight and 'shaking' the connections with the lights on had not impact.

BTW, parked here at home the lights are functioning flawlessly.

Next step, I pulled out the Firefly panel. When the bathroom lights are on the small blue indicator LED on the panel illuminates as it should and extinguishes when the lights are turned off. I checked wires going into the many plugs on the back of this panel and all seem to be snug in the connectors.

So I'm still at a loss as to what is causing the intermittent issues with the bathroom lights. Anyone have any other ideas on what to check?
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