Lights flicker when furnace comes on

[dmartfw]

Hello,

We recently purchased a 2018 Jayco Eagle 330RSTS travel trailer and we noticed that the lights flicker every time the furnace starts up. Strangely even the lights over our dining table will flicker when they are turned off. I'm concerned about this and just wanted to check with the forum to see if there is any experience with this and if so what can be done to fix the problem.

Thanks,
David

[DanNJanice]

Originally Posted by dmartfw

Hello,

We recently purchased a 2018 Jayco Eagle 330RSTS travel trailer and we noticed that the lights flicker every time the furnace starts up. Strangely even the lights over our dining table will flicker when they are turned off. I'm concerned about this and just wanted to check with the forum to see if there is any experience with this and if so what can be done to fix the problem.

Thanks,
David

Most likely just a bad connection/loose somewhere.
Disconnect the batteries and mark the wires, plus and minus. Disconnect, clean and tighten every connection in the trailer starting with the wires near the battery. Disconnect and clean the negative wire connected to the trailer's frame, tighten all the connections in the power distribution panel inside the trailer.

[vegasguy]

Originally Posted by dmartfw

Hello,

We recently purchased a 2018 Jayco Eagle 330RSTS travel trailer and we noticed that the lights flicker every time the furnace starts up. Strangely even the lights over our dining table will flicker when they are turned off. I'm concerned about this and just wanted to check with the forum to see if there is any experience with this and if so what can be done to fix the problem.

Thanks,
David

This seems to be happening to several of us. Here is a link to another thread about it.
https://www.jaycoowners.com/forums/f...rts-52463.html

[Badge366]

Originally Posted by dmartfw

Hello,

We recently purchased a 2018 Jayco Eagle 330RSTS travel trailer and we noticed that the lights flicker every time the furnace starts up. Strangely even the lights over our dining table will flicker when they are turned off. I'm concerned about this and just wanted to check with the forum to see if there is any experience with this and if so what can be done to fix the problem.

Thanks,
David

Hello I just purchased a 2018 Jayco Eagle HT 28.5 RSTS and I’m having the exact same issue. Did you ever figure out what was wrong? Thanks Todd

[norty1]

I have always had problems with just a couple of LED's in a LED array flickering when on until they have been on awhile. Maybe not related but it's sure annoying.

[Badge366]

Originally Posted by norty1

I have always had problems with just a couple of LED's in a LED array flickering when on until they have been on awhile. Maybe not related but it's sure annoying.

The lights aren’t even on when they start flickering as the igniter on the furnace clicks the come on and flicker. With they lights on the don’t flicker.

[norty1]

Originally Posted by Badge366

The lights aren’t even on when they start flickering as the igniter on the furnace clicks the come on and flicker. With they lights on the don’t flicker.

Yep, I understood. Hope my comment was not confusing.

[Badge366]

Originally Posted by norty1

Yep, I understood. Hope my comment was not confusing.

Ok I’ve noticed quite a few others with the same problem, frustrating the camper is 6 days old.

[WeRJuliian]

This is pure speculation, but...

When the igniter in your furnace fires, it's going to pull a larger current, momentarily, from the power source.
If the wiring is "bundled", such that there are long runs of cable close together, it's possible that the current "spike" might create an induced voltage in the wiring to your lights.
One of the big selling points of LEDs is that they require very little energy to light them, so even a small induced pulse would energise them, momentarily.

Then again, it's early Sunday morning and I've only had one coffee so far, so I could be wrong :-)

[Badge366]

Originally Posted by WeRJuliian

This is pure speculation, but...

When the igniter in your furnace fires, it's going to pull a larger current, momentarily, from the power source.
If the wiring is "bundled", such that there are long runs of cable close together, it's possible that the current "spike" might create an induced voltage in the wiring to your lights.
One of the big selling points of LEDs is that they require very little energy to light them, so even a small induced pulse would energise them, momentarily.

Then again, it's early Sunday morning and I've only had one coffee so far, so I could be wrong :-)

I have heard of others with the same problem and you could be onto something cause the dimmer/light switch is literally above the thermostat so that could be it.
Thanks Todd

[dmartfw]

Hello,

I do have an update. I took our RV to the dealer and they reached out to Jayco for assistance. Jayco told them to replace the dimmer switchers (we have two in this model). The bad news is this did not fix the problem. We still have the issue and we are just living with it for now. Another annoying issue is our TV also flickers and I'm sure that's not good for it. After leaving the RV in the shop for weeks we just decided to throw in the towel.

I do believe the issue is as WeRJuliian described it - induced voltage along the wiring harness. I don't believe this is any kind of safety issue (at least that's what the dealership assured me of) so for now it's just annoying. We are lucky in that we live in south Texas so we don't get a lot of cold weather down here. We also now just turn the furnace on in the morning when we get up just to be safe in case something does go wrong :-)

Hopefully someone else will post a fix for this down the road.

Regards,
David

[Badge366]

Originally Posted by dmartfw

Hello,

I do have an update. I took our RV to the dealer and they reached out to Jayco for assistance. Jayco told them to replace the dimmer switchers (we have two in this model). The bad news is this did not fix the problem. We still have the issue and we are just living with it for now. Another annoying issue is our TV also flickers and I'm sure that's not good for it. After leaving the RV in the shop for weeks we just decided to throw in the towel.

I do believe the issue is as WeRJuliian described it - induced voltage along the wiring harness. I don't believe this is any kind of safety issue (at least that's what the dealership assured me of) so for now it's just annoying. We are lucky in that we live in south Texas so we don't get a lot of cold weather down here. We also now just turn the furnace on in the morning when we get up just to be safe in case something does go wrong :-)

Hopefully someone else will post a fix for this down the road.

Regards,
David

Awesome thanks for the reply, we just picked ours up and besides the lights flickering now the furnace won’t even ignite, do it’s gonna have to go back to the dealer for that, I tried everything I could think of. I’m up in south east Michigan, gotta have heat.
Thanks Todd

[dmartfw]

Oh wow, I'm sorry to hear that Todd. I wish you the best of luck and do let us know if your dealer has any luck fixing this.

I will say, other than this issue, knock on wood we really like our Jayco Eagle so far. It's a beast to back in but really nice once we get it set up :-)

[ShortCircuit]

Check all grounds at breaker box make sure all power is disconnected AC and DC .Sometimes there is a ground block behind the breaker box mounted to the floor Need to entire unit usually 4 screws ..plus the cover check 12 power wires in breaker box also they go to plastic fuses

[Wfd106]

Originally Posted by dmartfw

Hello,

I do have an update. I took our RV to the dealer and they reached out to Jayco for assistance. Jayco told them to replace the dimmer switchers (we have two in this model). The bad news is this did not fix the problem. We still have the issue and we are just living with it for now. Another annoying issue is our TV also flickers and I'm sure that's not good for it. After leaving the RV in the shop for weeks we just decided to throw in the towel.

I do believe the issue is as WeRJuliian described it - induced voltage along the wiring harness. I don't believe this is any kind of safety issue (at least that's what the dealership assured me of) so for now it's just annoying. We are lucky in that we live in south Texas so we don't get a lot of cold weather down here. We also now just turn the furnace on in the morning when we get up just to be safe in case something does go wrong :-)

Hopefully someone else will post a fix for this down the road.

Regards,
David

With the thermostat wires run along with the light circuit, it is most likely picking up induced voltage from the furnace igniter. I have run the thermostat wires under the trailer instead of above the ceiling, this has seemed to fix the problem.

[BadBeans]

I have a 2018 Eagle HT 29.5 BHDS. I have the same issue as described in this thread. At the moment my ignitor on furnace goes off there is a flash from my LED lights that are in a dimmer switch. I will contact my dealer next week to see about getting a filter installed and report back.