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Thread: Daikin lc fault
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19-01-2013, 09:21 PM #1
Daikin lc fault
Hi guys
help needed. I have a daikin vrv system running on r22 not sure of model but I keep getting a LC fault every 1 to 2 weeks . At this stage I have swapped over every pcb board on the unit with the unit next to it to eliminate which pcb boards at fault .the only thing I haven't changed is the noise filter board.fault came back today and also on a totally different unit .does anyone reckon it might be there power supply dropping a phase every now and again.or am I missing something .these are very old units but any help would be great.
cheers
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19-01-2013, 09:39 PM #2
Re: Daikin lc fault
http://www.mediafire.com/view/?gyc1c55c9w65wyw lc code does mention noise filter board
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20-01-2013, 12:41 AM #3
Re: Daikin lc fault
Can't download that file . Did read that noise filter could be an issue but voltage seemed ok across the phases .
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20-01-2013, 10:28 AM #4
Re: Daikin lc fault
you have e mail
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20-01-2013, 11:10 AM #5
Can you send me a copy please?
bozionelos@yahoo.gr
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20-01-2013, 11:21 AM #6
Re: Daikin lc fault
done......
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20-01-2013, 11:50 AM #7
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20-01-2013, 02:09 PM #8
Thanks a lot !
I appreciate that!
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24-01-2013, 10:18 AM #9
Re: Daikin lc fault
Hi there,
I had identical problem very recently in Central London. Changed main board and inverter board (ooooh pricey!!!).
This had cured it for me. The system I worked on would run for 3-4 minutes then go into LC fault, so on advice just changed both. The noise filter board didn't even get mentioned.
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14-02-2013, 10:13 PM #10
Re: Daikin lc fault
Had this problem today .. Lc , all it was , was a lost L2 phase .,due to crisp isolator wiring , sorted the wiring cleared fault