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rsil24
What's DOS?
Posts: 1
Registered: ‎11-08-2016
Location: CA
Views: 1,107
Message 1 of 5

Charger for Yoga 900 is sparking in outlet

My charger sparks when i plug it in one way but seems to be fine when i flip it around. It started yesterday. I did not drop it or spill on it recently. Anyone having similar issues?

New charger required? I do not want to start a fire lol. Does Lenovo cover this under warranty?

 

Thanks

SeniorGuru
Posts: 2,719
Registered: ‎12-22-2008
Location: CA
Views: 1,084
Message 2 of 5

Re: Charger for Yoga 900 is sparking in outlet

If this is new behavior then I'd be concerned about the possibility of electrocution, fire and/or damage to the Y900. I'd report this to Lenovo. If the Y900 is under warranty then that should include the AC charger.

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Cheers... Dorian Hausman • ca.gif English community
X1C6, E470, Y900s, [R.I.P. X1C2, T430s, TPT2, SL500, X61s, T60p, A21p, 770, 760ED... 5160, 5150... S360/30]
Retired Support Specialist
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Registered: ‎12-24-2015
Location: IN
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Message 3 of 5

Re: Charger for Yoga 900 is sparking in outlet

 

Also, in addition to hauman, contact Lenovo service center and report your findings. For more details, Schedule a Call-back for faster support.

 

Update us how it goes.

 

 

 

 

Regards,         

 

 

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trusadh
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Posts: 13
Registered: ‎08-30-2016
Location: GB
Views: 1,048
Message 4 of 5

Re: Charger for Yoga 900 is sparking in outlet

I have noticed this too with the YOGA 900 power supply, and also occasionally with some other supplies.  I have tended to ignore (or accept) this behaviour thinking that it is probably a characteristic of the switched-mode power supply, e.g. an initial capacitor charging transient.    The behaviour is likely to vary depending on the precise instant in the AC supply cyle the charger makes contact when plugged-in.  Any definitive confirmation, or otherwise of this ?

 

SeniorGuru
Posts: 2,719
Registered: ‎12-22-2008
Location: CA
Views: 1,035
Message 5 of 5

Re: Charger for Yoga 900 is sparking in outlet


@trusadh wrote:

I have noticed this too with the YOGA 900 power supply, and also occasionally with some other supplies...   


I would tend to agree that this as a general characteristic of switched AC chargers. I too have seen the occasional sparks when plugging in various AC chargers, even those that provide relatively low power.

 

My response to @rsil24 was based on his, "It started yesterday." Perhaps he never noticed this before in which case this sparking is benign. Perhaps something inside the charger has failed. Since in that case this could result in severe consequences--electrocution of the user or property destruction--I suggested he contact Lenovo for assistance.

__________________________________________________
Cheers... Dorian Hausman • ca.gif English community
X1C6, E470, Y900s, [R.I.P. X1C2, T430s, TPT2, SL500, X61s, T60p, A21p, 770, 760ED... 5160, 5150... S360/30]

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