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Tech Head - The Technology Section
The Work Bench and Soldering Station
fridge on blink following powercut
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<blockquote data-quote="2cvbloke" data-source="post: 969918" data-attributes="member: 199791"><p>Take a mallet, thwack the compressor when it's powered up, if that doesn't help, the compressor has either seized or the piston is stuck with too much pressure in the cylinder to start (leave it for a while and it should lose enough pressure to restart), the clicking is the PTC thermistor trying to kick the motor over and not succeeding, so, turn it off before you blow it...</p><p></p><p>As for the not powering up after a sudden shutdown, most modern fridges <em>should</em> have that feature built in already, but cheaper models don't, because of "That'll do" syndrome, one thing you could do is rig up a mains-powered relay that flicks off on power loss with a 10 minute timer that re-energises it, but that's a random thought off the top of my head (not to be relied upon!)...</p><p></p><p>As for smoothing the mains power out, that's pretty much a case of if you have to ask the price, you probably can't afford it, as UPS units and power conditioners aren't designed for inductive loads like motors, unless you go for really expensive medical-grade things which frankly cost more than the fridge & contents is worth, the other option is a generator if the power ever goes out for more than 10 minutes, but doesn't really help with smoothing power, just replacing one wobbly supply with another...</p></blockquote><p></p>
[QUOTE="2cvbloke, post: 969918, member: 199791"] Take a mallet, thwack the compressor when it's powered up, if that doesn't help, the compressor has either seized or the piston is stuck with too much pressure in the cylinder to start (leave it for a while and it should lose enough pressure to restart), the clicking is the PTC thermistor trying to kick the motor over and not succeeding, so, turn it off before you blow it... As for the not powering up after a sudden shutdown, most modern fridges [I]should[/I] have that feature built in already, but cheaper models don't, because of "That'll do" syndrome, one thing you could do is rig up a mains-powered relay that flicks off on power loss with a 10 minute timer that re-energises it, but that's a random thought off the top of my head (not to be relied upon!)... As for smoothing the mains power out, that's pretty much a case of if you have to ask the price, you probably can't afford it, as UPS units and power conditioners aren't designed for inductive loads like motors, unless you go for really expensive medical-grade things which frankly cost more than the fridge & contents is worth, the other option is a generator if the power ever goes out for more than 10 minutes, but doesn't really help with smoothing power, just replacing one wobbly supply with another... [/QUOTE]
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The Work Bench and Soldering Station
fridge on blink following powercut
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