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Our new Mikado was running fine this afternoon when I noticed that the cab ligh t kept flashing on and off while moving.  It kept it up after hitting No 5 for shutdown and only quit when I cut power to the track.

It hasn't done this before (a week old) and I can't get it to stop. Any suggestions please?

Our other Legacy is a PRR K4 and they both lose their sound when the current is interrupted briefly - even a split second as when passing through a switch. There was a thread awhile back (I couldn't find it) where this was discussed but I didn't see the resolution if any.

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Sam, I am experiencing the same thing with my Mikado except mine blinks three times. According to the manual that is an issue with the smoke fan unit. I am preparing mine for a shipment back to LHS for repair. As for yours you may want to to try a reset. There is instructions in the manual or from Lionel's website.

As far as the power dropout goes make sure your locomotive and tender rollers and the rails of the turnout are clean. I've had dirty rollers going over turnouts cause the same problem, once cleaned, no more sound loss.  Not sure what brand of track but atlas turnouts are notorious for causing sound dropouts due to their "dead spots". I believe some folks have remedied this with jumpers to the "dead spots".

Just got back in from our weekly club meeting and want to thank you all for the suggestions. I skimmed the manual but will give a thorough read tomorrow. Come to think of it, the smoke had ceased when I noticed the light blinking so will have to check it out.

The sound dropping out is a real P.I.A. as it will do it through several of our switches that don't and haven't affected any of our other (non-Legacy) engines to date. Sometimes it does it each time around and the only 'cure' so far is to power down the loop and start up again. The other thread said even adding a battery has no effect and that this is a common issue with Legacy. Not very relaxing!

 

Originally Posted by MartyE:
What happens when any other train breaks out of warranty?

but smoke issues can sometimes be fixed at home. so we will always have to send in our engines?  cause we just rebuilt our smoke unit on our 765 berk and we were wondering what will happen when our 3751 northern needs the smoke unit repaired.  doesn't seem right to have to send it back to reset the electronics.

Originally Posted by bigdodgetrain:
Originally Posted by MartyE:
What happens when any other train breaks out of warranty?

but smoke issues can sometimes be fixed at home. so we will always have to send in our engines?  cause we just rebuilt our smoke unit on our 765 berk and we were wondering what will happen when our 3751 northern needs the smoke unit repaired.  doesn't seem right to have to send it back to reset the electronics.

 Before you think "the sky is falling",if its any consolation i've had the smoke unit apart on my new legacy k4 to lube the fan motor because it was noisey. Put it back together and it works fine. As far as the flashing cab light code and smoke unit shutdown is concerned, I suspect as these locos begin to get out of warranty one way or another information on how to reset the diagnostics will become available. If nothing else, if you find yourself in that situation and email to Lionels customer service will hopefull yield the necessary information. There would be no point in having such extensive parts available to the customer if the repairs were only allowed to be done by Lionel.

Originally Posted by RickO:
Originally Posted by bigdodgetrain:
Originally Posted by MartyE:
What happens when any other train breaks out of warranty?

but smoke issues can sometimes be fixed at home. so we will always have to send in our engines?  cause we just rebuilt our smoke unit on our 765 berk and we were wondering what will happen when our 3751 northern needs the smoke unit repaired.  doesn't seem right to have to send it back to reset the electronics.

 Before you think "the sky is falling",if its any consolation i've had the smoke unit apart on my new legacy k4 to lube the fan motor because it was noisey. Put it back together and it works fine. As far as the flashing cab light code and smoke unit shutdown is concerned, I suspect as these locos begin to get out of warranty one way or another information on how to reset the diagnostics will become available. If nothing else, if you find yourself in that situation and email to Lionels customer service will hopefull yield the necessary information. There would be no point in having such extensive parts available to the customer if the repairs were only allowed to be done by Lionel.


thanks, just the suggestion I was looking for.

c.sam:

 

No LHS to consult?

 

FWIW, my brand new Mikado gave me blinks (one, pause, one...) when I got it out of the box and powered on the layout, but pressing the "circle-R" symbol on my Legacy remote cured it (permanently? I hope!). Last when I visited it (last week), it was still working fine. I know it may not help you much, but...

 

Hope it all works out.

 

Bruce

Most may remember my trials and tribulations with my S3.
I was ridiculed for not reading instructions and voiding my warrenty, etc...
If you're not comfortable opening one of these engines than send it in and have it
Serviced. Eventually the warranty will run out on all of them. So it was in
my best interest to understand the failure modes and repair it myself. To each is there own.
I happen to enjoy repairing them.
I would try to understand what the light code is saying before sending it back

Bruce - I obtained this from an out of town retail store as there are no LHS's anywhere near here that carry new Lionel.

 

The 3 blinks evidently indicates a failure with the fan unit. When the blinking starts, the smoke unit turns off.  The manual says to use No 0 on the Cab1 to reset the locomotive which I did and she resumed normal operation for a minute or two. Then it stopped smoking and the light blinks again. Evidently after 3 resets the smoke will be shut down for good.

As mentioned above, the lady at Lionel said to reset the ID number and try that. It still started blinking after a minute of normal running. Mine is smoking well and fairly quiet in between resets. I've turned off the smoke with the switch until I decide when to send it to Lionel directly. Am curious if I should wait and run it in case something else goes out after reading the (too) many reports of DOAs and other malfunctions right off the bat. I've run this one only about an hour if that.

c.sam - Can appreciate that you don't have an LHS; I value my (NC) LHS highly, particularly for their repair service.

 

That said, my LHS had to send one of my diesels back to Lionel for warranty repair for a "three blink" error (fan unit) that couldn't be repaired in house. Lionel returned it in perfect running order with fantastic smoking function.

 

Although not what you might want to do (paying for shipping), sending your Mikado back to Lionel service will give a very satisfying result, if my experience is to be taken as typical.

 

Good luck!

 

Bruce

C.Sam.  The blinking is a result of the fan motor drawing too much power from the electronics.  There is plenty of margin in the design, so the failure is real.  The cause is normally from a bad fan motor, or binding in the fan housing with the impeller.  Also, it could be the electronics are failing on the smoke system.  Pressing "0" or "R" will reset the smoke system, and after 3 cycles of run, blink, reset, the software will stop the smoke system to prevent meltdown.   Turning off the smoke switch will stop the smoke unit, thus no monitoring is done and the blinking will stop.  At some point you should have the loco serviced while in warranty.

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