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Re: CF-531 won¡¯t start after replacing selector switch


 

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Todd,

I found this catalog with A11 but no A14


Imran?

On Dec 31, 2020, at 7:42 PM, Justa318@... wrote:

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Hi All and Happy New Year!

First time poster and owner of a 2010 CF-531 here.? ?I have been very happy with this machine since I bought it used about a year ago.? I replaced the capacitors in March of last year.

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I bought a new selector switch in June because I had trouble starting up my jointer / planer motor and the Felder technician had diagnosed the problem as a bad selector switch.? I was able to tap the old switch to get the jointer / planer started, but it finally didn¡¯t start at all so I replaced the old switch with the new switch yesterday.

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The new switch is Kraus & Naimer model A11 (A11.A-C555*FE.E) whereas the old switch was model Kraus & Naimer A14 (A14.A-C592*FE).? Plus, the new switch came with jumpers installed across various terminals.?

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On installing the new switch, I installed all the wires to the new switch exactly like-for-like as the old switch including jumpers between terminals, so ended up not using any of the wire jumpers that came with the new switch (the old one had one wire jumper that I did install on the new switch).

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When I press the start button for any of the three motor
s (saw, shaper, jointer/planer), I get a loud click (sounds like a relay), but none of the motors start up.? Even the jointer/planer clicks (it wouldn¡¯t even click before), so perhaps that is progress, but I¡¯m not happy that nothing is starting up. ?The reverse shaper yellow light turns on if the selector switch is set to that function.

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I have checked the archives under "won't start", but didn't see anything that seemed applicable to my situation.


I wonder if the new switch has a slightly different internal configuration and switching pattern than the old one, and that me discarding the wire jumpers on the new switch could be causing the problem.? Has anyone experienced anything similar on replacing a selector switch??? Is there a wiring diagram / schematic for the machine with a new switch as compared to one for the old switch.

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Any suggestions, ideas or directions you can provide would be greatly appreciated.? I have also asked Felder for their ideas.?

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Thanks and Happy New Year,

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Todd

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