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Fisher & Paykel IWL16 washer pump replaced but now blowing fuse

fisher paykel iwl16 pump fault code 37

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3 replies to this topic

#1 dobler

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Posted 27 February 2015 - 04:20 PM

I have a Fisher & Paykel IWL16 IntuitiveECO washer and recently had a fault code 37 issue. I removed the pump and checked for obstructions in the hoses and diverter valve. I also removed the basin and the top cover for the pump in the tub and checked for anything there as well, but everything looked good. I checked the resistance on the pump motor and it measured around 6 ohms and from what I was able to find online it looks like it should be around 33 ohms. I ordered a replacement pump from F&P and installed it along with the included 2.5A Slo-Blow fuse to protect the controller board.

 

The new pump has resolved the fault code 37 which is great. The problem I'm having now is that the new fuse installed is blowing. I tried a few different scenarios and it seems like it is blowing during the spin cycle. The first time I ran it was on a normal cycle with an empty tub (no clothes) and the fuse blew during spin. I replaced the fuse with a 3A Slo-Blo (what I had on hand) and then I ran a wool cycle (medium spin) with an empty tub and it completed just fine. I tried a half full load of clothes on normal/default cycle then and the fuse blew while spinning during the last few minutes of the cycle.

 

I called Fisher & Paykel to see if the pump I received is faulty, but since I am not a service technician I can't talk to their tech support and they directed me to call a local service center. I've put a call in there but I need to call back next week when I can get one of their techs on the phone. I'm frustrated that they won't provide any support for the new part that I just purchased. I get that they wouldn't want to flood their tech support with consumer calls, but I really want to know if I have a bad pump and should send it back. Any help or suggestions would be greatly appreciated.



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#2 Spannerwrench

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Posted 27 February 2015 - 04:33 PM

The pump gets the same voltage in any cycle and does the same thing.  I would think that if it blow the fuse on only certain cycles that it it the control causing it.  That is of course if you installed the fuse properly.  

The fuse is wired inline with the L1 to the pump and should only blow with high current draw or a direct short, so I don't really even see how a bad board could cause this.

Have you put a meter on it during the spin or wash to test the current draw of the pump, it runs pretty much most of the cycle.  Both drain and recirculate.


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#3 stewartservice

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Posted 27 February 2015 - 07:09 PM

Check for continuity from pump terminals on pump to pump body. Should be 0. Check voltage to pump. 110-120. Low or high voltage will blow fuses. No water showing under machine?



#4 dobler

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Posted Today, 03:01 AM

Thank you both for the quick replies. Spannerwrench you were right on. It doesn't make sense that it would only blow in certain cycles. And your comment about installing the fuse correctly made me think. At first I thought of course I installed it correctly, it couldn't have been more simple and I have plenty of wiring experience. But then I looked at the installation instructions for the fuse again and realized I'm an idiot. I had put the fuse inline with the spin/agitate motor and not the pump. I corrected my mistake and all is well in laundryland at our house again. :)





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