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Subject Topic: Thetford c2 not flushing Post Reply Post New Topic
PersonArjayuu
04/6/2016 at 6:45pm
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Sorry guys I'm after picking your brains again. I have read through various threads on here and tried whats been suggested but still no luck. My Thetford c2 won't flush I press and nothing happens I've changed the glass fuse, changed the water pump and still nothing. My gut feeling is I'm getting no power to the pump the cables to the original pump are discoloured. If I touch the ends with a multimeter I get nothing. Hope someone can help.


PersonRadar99
04/6/2016 at 8:42pm
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Have you checked the microswitch?


PersonArjayuu
04/6/2016 at 9:03pm
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I can't get to it without taking out the whole toilet. Which is what I think I'm going to have to do


PersonUsher4566
04/6/2016 at 11:06pm
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If u remove the middle cap on the toilet switch / flush there is a small screw down a long hole if u undo then u will be able to drop the rod off the bottom where the toilet tray goes in under there is the micro switch u need to get a multi meter out and test the switch u need 4 hands and Ime serious one to hold meter one to prod one to hold mechanics it's a fiddly job but the switches fail the other way is if u like a bodge lol wire the pump direct to a 9v battery and a pilot switch this guy does it on here watch https://youtu.be/9EBPWQqlc5k


Personjeff juke
05/6/2016 at 10:02am
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This diagram might help...Click

-------------
Animals have feelings..

JEFF................


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Personjeff juke
05/6/2016 at 10:19am
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Just a thought have you checked the switch.You should hear a click when you push it down,no click then its knacked.

-------------
Animals have feelings..

JEFF................


PersonArjayuu
05/6/2016 at 11:20am
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I can hear a click. I've just been out and connected pump to 9v battery and it works like the YouTube vid usher4566 suggested. So I know that it's not getting power to the pump. Thanks Jeff juke for the parts list. It's supposed to be a 3a fuse, I took out a 2.5 240v fuse so just replaced it like for like as the old one had blown. I'll now order correct fuse. Fingers crossed


PersonUsher4566
05/6/2016 at 7:03pm
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Should be glass type I think


PersonArjayuu
05/6/2016 at 7:11pm
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It is the glass type thank you Usher. I'm going to attempt to take the whole thing out tomorrow so I can get to all the components and test everything. Not sure how it comes out but I'll work it out. Wish me luck.


PersonUsher4566
05/6/2016 at 8:20pm
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I didn't remove the hole toilet I just put my hands in the service hatch and unscrewed the switch and unscrewed the screw down the flush button wasn't too bad at all I wouldn't fancy removing toilet tho


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PersonArjayuu
06/6/2016 at 3:25pm
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So I haven't removed the toilet, but might have found my problem. The cables to the pump have oxidised I am currently in the process of removing this and touch wood it'll work


PersonUsher4566
06/6/2016 at 8:49pm
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Keep us updated hope u get sorted


PersonArjayuu
06/6/2016 at 10:39pm
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All working guys thank you all so much. It was the oxidised (black) cables not allowing a good connection. Googled how to remove it and it suggested soaking them in salt & vinegar (acid) to remove the oxide then into a water and bicarb solution (alkaline) to prevent oxide returning. It took about an hour of soaking and swilling in the acid to remove the black, but once it was back to copper got a good connection. It's all put back together now and have a full working flush. I'm pretty clued up on the workings of a Thetford c2 now as I've had just about every part of it out, suppose, every cloud etc. I've tried to be as detailed as I can and hope this can help someone in the future.


PersonUsher4566
07/6/2016 at 7:15am
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Awesome good result in the end happy flushing ;)



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