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Blown AC - AC Adaptor

Former Community Member
Former Community Member

 

I hope you can help me.

I have a Broil King BBQ which has 3 under lid lights as well as 9 LED lights on the dials.

 Now in the 4 years I have owned this BBQ I have replaced 4 AC -AC Adaptors, all supplied by Broil King.

The adaptors they send all blow from inside out, and I have attached the images.

Some of you have probably seen something like it before and immediately have an idea as to why.

My thoughts are, lack of ventilation and they are packed with a black resin.

 The original Adaptor supplied was 1600mA as were 2 replacements, but the latest one to fail was 1700mA

Unfortunately I do not have a working adapter to enable me to measure the current drawn, but I do remember taking the measurement last year and thought the 1700mA was too low.

bd7e35deec616ca6d95b1b76f5c097d6-huge-1.jpg
Blown Adaptors

Something sticks in my head that the current drawn was 2900mA, but I could be wrong.
 

f15a8dcf8cee335e7f6d6386f57501d9-huge-label.jpg
d6fbe53d178cbe6b6d5fc1fef14eee7b-huge-dw.jpg
The Wiring Diagram

 

Parents
  • 0

    What is different, nothing.

    I purchased the BBQ in 2017 and the first one blew in 2018, since then I've had one every year, supplied under warranty.

    So I decided to look into why they were failing, all the importers for Broil King were doing was replacing the transformer with an identical replacement, which we know is going to blow at some stage.

    When I spoke to a small local Broil King retailer, he said that he knew of about 5 other cases and had heard of a couple more.

    One other thing, not that this is causing them to blow, but they are supplied with a 13 amp fuse in the plug top, should it not be 3 amps?

    Based on Watts divided by Volts equals Amps, then add 10% (W / V = A)

    Assuming that the label on the transformer is correct, it states that the transformer is rated at 20 Watts

    So, 20W divided by 240v equals 0.0833333 amps, 10% equals 0.0083333 amp.

    0.0833333 amps, plus 10%  0.0083333 amps equals 0.0916666 amp, basically less than 1 amp.

    The nearest fuse size to 1 amp is 3 amps and that is why I think the plug top ought to have a 3 amp fuse installed and not a 13 amp fuse.

    How important is the plug top fuse in this case?

Reply
  • 0

    What is different, nothing.

    I purchased the BBQ in 2017 and the first one blew in 2018, since then I've had one every year, supplied under warranty.

    So I decided to look into why they were failing, all the importers for Broil King were doing was replacing the transformer with an identical replacement, which we know is going to blow at some stage.

    When I spoke to a small local Broil King retailer, he said that he knew of about 5 other cases and had heard of a couple more.

    One other thing, not that this is causing them to blow, but they are supplied with a 13 amp fuse in the plug top, should it not be 3 amps?

    Based on Watts divided by Volts equals Amps, then add 10% (W / V = A)

    Assuming that the label on the transformer is correct, it states that the transformer is rated at 20 Watts

    So, 20W divided by 240v equals 0.0833333 amps, 10% equals 0.0083333 amp.

    0.0833333 amps, plus 10%  0.0083333 amps equals 0.0916666 amp, basically less than 1 amp.

    The nearest fuse size to 1 amp is 3 amps and that is why I think the plug top ought to have a 3 amp fuse installed and not a 13 amp fuse.

    How important is the plug top fuse in this case?

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