Daisy82 Posted February 18, 2010 Share Posted February 18, 2010 I noticed my Koralia 4 was running slow so I took it apart and cleaned it out. Now it won't turn on at all! No noise at all. I'm wondering if I dropped a part down the sink, or put it back together wrong. After I took the cover off, there was the impeller and a long rod that fit into a hole on the inside. Am I missing something? Any tips? Thanks in advance! Quote Link to comment Share on other sites More sharing options...
+dapettit Posted February 19, 2010 Share Posted February 19, 2010 I have a similar problem with a nano. Take it out take it apart then back together. Fill a sink or bucket and run the powerhead. You may have to tap it to get it to work. If it doesn't work then it may be bad. How old is it? Quote Link to comment Share on other sites More sharing options...
muddybluewater Posted February 19, 2010 Share Posted February 19, 2010 I have found that most of the time when I have problems with mine calcium has built up on the impeller shaft. The impeller should slide freely on it if it doesn't you need to force it out and clean it. Vinegar works best but I have had to use and abrasive pad or even sand paper before. After cleaning they are good for several more months. Quote Link to comment Share on other sites More sharing options...
JamesL Posted February 19, 2010 Share Posted February 19, 2010 I have a similar problem with a nano. Take it out take it apart then back together. Fill a sink or bucket and run the powerhead. You may have to tap it to get it to work. If it doesn't work then it may be bad. How old is it? +1 to knocking it around a bit. That normally helps my picky koralias. Quote Link to comment Share on other sites More sharing options...
Daisy82 Posted February 19, 2010 Author Share Posted February 19, 2010 Well, I bought it used about 6 months ago so I'm not sure how old it is. However, it was working before I cleaned it. Nothing seems crudded up, but I will soak it in vinegar just in case. I'll try knocking it around a bit - don't know why I haven't tried that already... that's usually my first solution when something isn't working! lol Quote Link to comment Share on other sites More sharing options...
NonSequitur Posted February 19, 2010 Share Posted February 19, 2010 +1 on taking it apart and putting it back together. I've had similar problems with my koralias, and it usually is the result of the propeller shaft being misaligned at one end, causing the magnet to bind. Quote Link to comment Share on other sites More sharing options...
+dapettit Posted February 19, 2010 Share Posted February 19, 2010 I have found that most of the time when I have problems with mine calcium has built up on the impeller shaft. The impeller should slide freely on it if it doesn't you need to force it out and clean it. Vinegar works best but I have had to use and abrasive pad or even sand paper before. After cleaning they are good for several more months. Good info. I'll try this first before pitching it! Quote Link to comment Share on other sites More sharing options...
teg Posted February 19, 2010 Share Posted February 19, 2010 +1 one on propeller shaft being miss aligned at one end (usually the tip). One time, I took my K4 apart, then put it back together and it stopped spinning. The problem was the tip of the propeller shaft didn't fit into that socket on the cap. Quote Link to comment Share on other sites More sharing options...
Daisy82 Posted February 19, 2010 Author Share Posted February 19, 2010 Well, I have tried soaking the K4 in vinegar, got it squeaky clean, gave it some bangs, took it apart and put it back together a few times(everything seems to be moving fine), even tried resetting the outlet. Still no success! Any other suggestions, or has this thing died on the table? Quote Link to comment Share on other sites More sharing options...
muddybluewater Posted February 19, 2010 Share Posted February 19, 2010 Does the propeller an mag spin freely on the shaft? Quote Link to comment Share on other sites More sharing options...
Daisy82 Posted February 19, 2010 Author Share Posted February 19, 2010 Yes, everything moves smoothly, but I don't hear a sound when it's plugged in. Quote Link to comment Share on other sites More sharing options...
muddybluewater Posted February 19, 2010 Share Posted February 19, 2010 Sounds like it is time to replace it. Quote Link to comment Share on other sites More sharing options...
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