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15/8/2011 at 4:29pm
Location: ripley derbyshire
Outfit: compass kensington ssangyong korando
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my 10 year old caravan has a slight humm from the mains 12volt transformer, when on240 volt electric hook up, when had service all is well. but even though it ant that loud i can still hear it( it bugs me more than anything) how do i get ride of the noise? new comsumer unit maybe?
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15/8/2011 at 4:46pm
Location: West Mids
Outfit: Swift Ace Statesman & X-Trail 2.0
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The windings on some transformers can oscillate and hum, even after some years of use. The hum could however also indicate a slight increase in load due to a weak battery. Have you had the battery checked recently? Try disconnecting one pole of the battery (make sure you keep it safely insulated) and see if the charger 'hum' changes. If it becomes less, you may have a weakened battery.
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Paul
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15/8/2011 at 4:51pm
Location: ripley derbyshire
Outfit: compass kensington ssangyong korando
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i have taken the battery off, as we only use ehu. anymore ideas
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15/8/2011 at 4:59pm
Location: None Entered
Outfit: Coachman Pastiche
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That could well be the problem then. The battery will also act as a capacitor to dampen out any surges in the current. It could well be that the current draw is fluctuating which will be causing the oscillation in the charger.
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15/8/2011 at 5:01pm
Location: Blackburn Lancashire
Outfit: Coachman Laser 650 and Discovery
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Some things work properly only if a battery is connected. Try it with a good battery in place.
Jim
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15/8/2011 at 5:09pm
Location: ripley derbyshire
Outfit: compass kensington ssangyong korando
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the van is a adria, which did not come with battery our charge as standard, the only charger i use is a smart charger which is plugged into a 3 pin socket?
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15/8/2011 at 5:16pm
Location: West Mids
Outfit: Swift Ace Statesman & X-Trail 2.0
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I think we need some more detail then, as the assumption was that you had problem with the charger/12v unit commonly found in vans to charge battery and run 12v accessories; it would seem this isn't the case.
What exactly is it your using?
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Paul
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15/8/2011 at 5:24pm
Location: ripley derbyshire
Outfit: compass kensington ssangyong korando
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its the comsumer unit, where i plug my 240v mains hook up in
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15/8/2011 at 5:28pm
Location: None Entered
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I have a Burstner which also comes without a battery and yes you do get a hum from the transformer,it'snot very loud but it can be a bit annoying during the night.There's not much you can do about it other than put some sound proofing around it but not too close or it may overheat.They are designed to work without a battery connected and all transformers will hum to a greater or lesser degree depending on the load at any one time.
Saxo1
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15/8/2011 at 5:33pm
Location: ripley derbyshire
Outfit: compass kensington ssangyong korando
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Quote: Originally posted by saxo1 on 15/8/2011
I have a Burstner which also comes without a battery and yes you do get a hum from the transformer,it'snot very loud but it can be a bit annoying during the night.There's not much you can do about it other than put some sound proofing around it but not too close or it may overheat.They are designed to work without a battery connected and all transformers will hum to a greater or lesser degree depending on the load at any one time. Saxo1
have you sound proofed your? if so what with thanks saxo
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15/8/2011 at 5:44pm
Location: None Entered
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Mine is situated underneath the base of the wardrobe so it was easily done I just stuck some polystyrene under the base of the wardrobe and to the sides of the base,I can still just about hear it in the middle of the night but I've learned to live with it.
Saxo1
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16/8/2011 at 1:21pm
Location: Manchester
Outfit: Swift Challenger 524
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Hi we have the Adria Altea 542 UK and this also did not come with a charger, and yes come to think of it the consumer does humm, but never though much of it, as some of the chargers we have for laptop and phones also humm. Our consumer unit is in the wardrobe, so packing with cloths makes it dimmer, but can definitely be hared when the door is open.
Dont think its anything to worry about. I like you have a smart charger for the battery, which is never connected when on EHU, as it wasnt meant to have a battery anyway.
hope this helps
Chris W
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Topic: slight humm
