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157 posts

Master Geek


#224276 10-Nov-2017 10:32
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We got a Bosch 90cm induction cooktop and it seems like it's burnt underneath the glass. Is this normal? I used a magic sponge to try and clean it off but it appears it's underneath.

 

 

 

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  #1898743 10-Nov-2017 10:49
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Is it something burnt on, or discoloration? My induction stove has a black top so I wouldn't know if it has anything similar. That general look does seem familiar though.

 

Did you call your retailer to see if they have any ideas?


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  #1898744 10-Nov-2017 10:53
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Looks like a chemical blemish that's seen a bit of heat to me.
Saw these on ceramic and induction cooktops a bit as a sparky. 


 
 
 
 


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  #1898750 10-Nov-2017 11:03
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How old is it?

 

under warranty still??




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Master Geek


  #1898800 10-Nov-2017 11:13
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It's not food burnt on as I've given it a good rubbing with the magic sponge pad. We bought it from Harvey Norman Commercial. So I'll try and get in touch with them to see what they say.

 

I did cook on the highest setting with a Wok. So maybe the heat was too high which caused the burn in. But I would expect it should be able to handle it, especially for a relatively high end cooktop.

 

It's about 1 year old, so I expect it still be under warranty.


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  #1898805 10-Nov-2017 11:22
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540trickzter:

 

It's not food burnt on as I've given it a good rubbing with the magic sponge pad. We bought it from Harvey Norman Commercial. So I'll try and get in touch with them to see what they say.

 

I did cook on the highest setting with a Wok. So maybe the heat was too high which caused the burn in. But I would expect it should be able to handle it, especially for a relatively high end cooktop.

 

It's about 1 year old, so I expect it still be under warranty.

 

 

 

 

Chances are the wok didnt have a flat bottom and thats one of the hot spots. They suggest perfectly flat bottoms for best heat transfer and to avoid hotspots like that.




157 posts

Master Geek


  #1898813 10-Nov-2017 11:31
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Coil:

 

540trickzter:

 

It's not food burnt on as I've given it a good rubbing with the magic sponge pad. We bought it from Harvey Norman Commercial. So I'll try and get in touch with them to see what they say.

 

I did cook on the highest setting with a Wok. So maybe the heat was too high which caused the burn in. But I would expect it should be able to handle it, especially for a relatively high end cooktop.

 

It's about 1 year old, so I expect it still be under warranty.

 

 

 

 

Chances are the wok didnt have a flat bottom and thats one of the hot spots. They suggest perfectly flat bottoms for best heat transfer and to avoid hotspots like that.

 

 

 

 

This is the Wok I used:-

 

http://www.briscoes.co.nz/kitchen/pots-and-pans/brabantia-ultra-scratch-resistant-wok-28-cm-1069153

 

I just contacted Harvey Norman, and they told me to try Ceramic Polish. Not sure if it's going to work if the issue is underneath the glass.


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  #1899111 11-Nov-2017 06:44
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I sort of had the same thing when i first got my cooktop. It just goes away after some time. i only use the 'P' setting for boiling water, its too hot for anything else.

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