Thread: Very Sick Lenze 534 Controller
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15-08-2012 #11
I Must say thank you to all who are helping with this thread/problem as i wouldnt have a clue without you all.
Rick.Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln
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25-08-2012 #12
Rick,
My Lenze 534 has blown the same transformer...
Did you replace wit the above recommendation and did it fix it?
Thanks
Simon
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27-08-2012 #13
We've not arrived at a decision yet as we are not sure what the correct secondry voltage should be, i was hoping someone would have a look at a working one but it appears nobody has voluteered yet.. LOL, I could be that nobody has one they can look at but i suspect the answer will come up soon.. I HOPE. Im really stuck as i cant use the machine without it...
RickAlways bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln
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27-08-2012 #14
Ah... ok thanks... That is where I am at too...
I've asked someone to measure their working one and will report back if I get anything.
Thanks
Simon
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30-08-2012 #15
Someone near me has just had the same problem!! I've just measured the voltage on my (working) unit and both secondaries are showing 15V RMS with the drive powered but the motor static.
Suggest checking the rectifiers as well as the suggestions above. it looks like a long term overload causing heating rather than a short term 'bang' scenario.
Good luck!!
David
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30-08-2012 #16
Ha... my "remote-voltage-sensing-fu" is working well :)
2x15 V: VB 1,0/2/15 from Farnell £2.07p+VAT but min order value £20
Same from RS £3.74+VAT, free p&p but out of stock till Oct.
Same from CPC £ 3.18 inc VAT + P&P and in stock. Note: this one has 2 x 115v primary so may need minor mod to pcb?
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01-09-2012 #17
I replaced the transformer yesterday... The output now pulses from on to off when commanded to a speed. Something else must have gone on mine too.
Time to replace with new...
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06-09-2012 #18
Fingers crossed for me then LOL
RickAlways bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln
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15-09-2012 #19
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17-09-2012 #20
New transformer has been fitted but not yet tested, and I also found that C6 (.47J100) {470nF 100V Polyester Capacitor} has also failed, so that will need to be replaced.
I also don't trust the looks of C5 (4.7uf 63v Electric Capacitor) so I am also going to replace that.Last edited by Mad Professor; 17-09-2012 at 01:03 PM.
"If first you don't succeed, redefine success"
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