Thetford Cassette Toilet Not Flushing
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- เผยแพร่เมื่อ 7 ก.ค. 2014
- Toilet just stopped flushing. Tried swapping fuses and troubleshooting boards. Turned out to be the motor was seized up. Good luck and enjoy.
*Edit* Thanks for the positive feedback. I apologize for the cell phone quality as well as some of the amateur mistakes but I do not claim to be a professional. I hope this helps, good luck and get out and enjoy the outdoors. - วิทยาศาสตร์และเทคโนโลยี
This is an EXCELLENT video. Love the fact that I had same problem, searched on Google, found this video and (after having no idea how to get into the pump area) now have a great set of ideas and solutions. Well done, thoughtful, self-effacing and love the jibes at over zealous geeky electric guys. Happy wet blue hands here I come!
Don't worry about the quality, this is a very helpful video, and I will now go back to the boat with renewed confidence to sort it out.
Thanks
Thank you very much - just spent the afternoon trying to find the problem. Your video is an answer to prayer.
Thank you for this video! I just got an A-frame camper with this toilet (used) and the pump wasn't running. It wasn't the impeller being stuck, though, it was the fuse. Even though the 3A fuse looked fine, there was no voltage making it across. I swapped in one of the other fuses from the converter, and the pump ran fine. I'll be picking up a few proper fuses tomorrow. I'm glad I should have this crapper working by the time I take my first trip! This video was what I needed to see/know.
Many thanks for the excellent advice. We had a little difficulty raising the pump because the plastic tube was stiff and seemed to be formed to fit around the casing. It needed a firm pull. An end to flushing by bottle!
Thanks a lot. I had the exact same problem. My pump was stuck too. Now i can sell my caravan 👍🏼
Yep! Exactly as you showed - all cleaned out and working better than before. I'm really thankful - this gas saved us a holiday day (we would have been around caravan outlets and I'd have been doing the checking that led to your excellent solution. Thanks!
This video was so helpful. Very well explained and so easy to follow up. Thank you....... I followed your steps and now I have my flush working again without spending a penny. Lol. Take a bow my friend. Many thanks...... Dave
On the half-full or full indication.
The printed circuit board with the fuse includes two reed (this make or break contact by the presence of magnetism) contacts which respond to the mechanism in the tank which contains two magnets. I hope it could help, thanks for the video.
Great video. Currently at the campground. Fixed my toilet.
I was unsuccessfully chasing what I felt was an electrical issue until reviewing your video. Problem cured! Thanks.
Exactly the same problem on my 402x model. Saved me a small fortune. Thanks, Derby UK
Champion, thanks for your video, saved me getting the toilet repaired!!
I will say one thing, there is a large almost garden size hose that feed off the pump to the toilet flushing outlet. It will feel as though you cant get the pump out of the small hole because of limited movement from this hose.
Keep trying and twist the pump around and up, you will get it eventually.
My problem was trying to get the pump back in place. If I take the water hose off, then when the pump goes down, I can't re-attach the hose. If I connect the hose before I push the pump down, it won't turn enough the go down into place. Spent hours trying to get it back. I know what he means by being a pain in the butt.
Just watched your brilliant video after not being able to flush for 3 days. Ten minutes later it's all fixed. Thank you so much for sharing your expertise it's much appreciated. Gordon & Val Black
Never mind about the shakes camera what you said was spot on,it was the pump motor seized, got it going again exactly like you said.thanks
Well done , great video, Saved me a lot of time figuring out how to strip the toilet to get to the pump
That were finally instructions will all the information in it! I just bought a motorhome with that toilet model and flush wasn't working. I thought there should be a green light or something if the pump is blocked. Thats why I checked all other parts of the system first and they all seem to have suffered over the years. Thanks to your video I was able to draw the right conclusions and check out the pump. It was blocked and I got it going again. Thanks for the video!
This video was amazing. The toilet in the caravan would nog flush after last camping season. Checked the electricity but no problems there. The problem was exactly as shown in this video. Thanks for uploading.
My son had the same problem and we thought he was going to have to order a new pump. Rotated the impeller and now it works great. Thanks for taking the time to do the video!
Thanks for the video. I have a different and much older model of toilet. I am at the blown fuse stage of problem solving but your video has confirmed what my next step should be! All I need to do now is work out how to get to my pump! We are going on a trip in the New Year and my wife is getting edgy :-)
Thanks very much I owe you what a great service I had briefly called at the auto electrical but he said he was to busy and would have to trace but gave me a clew the power was off. I listened to several videos until I found yours and realized how it works and what i had to remove and check and found the pump was seized. I found the fuse replaced it and bingo the pump is now working. Excellent service I am a plumber and I have some items I must put on the internet probably shoot myself in the foot but I think your service is excellent. Keep it up
My Cassette is a different model, but your video gives me some ideas where to go next. I didn't realize there is a fuse down below above the cassette area. I'll start there and follow what you did. Thanks for the video. Quality wasn't great, don't apologize for it though. It is good enough to get me going. Thanks again.
The pumps on all Thetfords seize after a while and turning the impeller usually works. But when they're dead they're easy to change, only two wires, use shrink rubber over the wires to seal against water. Any submersible pump will do, don't spend loads on a Thetford one! Also the level indicator works with two magnets, one in the tank itself connected to a float.
Holy cow! Mine is doing the same thing and I have been racking my brain trying to find the dang pump! Already this video has helped out immensely! I am going to try your same move. I bet my antifreeze jammed that pump up. Even if I have to replace the pump I now know where the little bugger is! You are the man!
Thank you very much. Still surprised everytime I check on this video and see it is still helping people.
great video. thanks for the tips ! got my pump sorted in 5 minutes and for free. I've been quoted £120 + parts(?) to fix this !!!
We thought we needed a new pump and then I found your video, and it's still helping people!!
Discovered the pump wasn't working before a big trip tomorrow and I thought I'd just give the internet a try. Thanks and thanks again!!
I'm about 2 years late but I am very glad it helped!
perfect mate ! just spent an hour or so thinking it was the pump as my fuse blown too , new fuse,bigger amp like you , still nothing could not work out how to get to pump , i owe you a beer , cheers !
Seriously, thankyou so much for this Video!
Hubby isn't good with these things so I folloed what you did with the pump because I could hear the clicking noise, and it worked! You saved me $$$ by not having to send it around to our very pricey caravan shop! Lifesaver! We can now go on holidays with a working toilet. Can't thank you enough.
Awesome!! I just saw some of these replys. So glad it helped!
Thank you
Thanks your a star not been able to flush for two weeks touring Europe problem solved thanks to you, my good lady is all of a flush again and when she is happy I am aloud to be too.
Brilliant, I couldn't see how to get the pump out before seeing your video. Many thanks!!
Hi, Thanks for you video. I had the same problem after a year of no use. I did have to remove the heavy outlet pipe from the pump before I could get the pump out which saved having to pull the wire too hard.
Quality......... who gives a crap about quality. I had already done the fuse replacement and was in the same boat you were. Didn't know where to look for the pump, thanks to your video problem solved. Same issue you had, seized pump! Thanks a million...... oh almost forgot, my kids thank you even more!
Ed Bronzert Ed, tell your kids they are absolutely welcome hahah. Glad it helped.
Thanks a mil. My family thank you. Great to get the toilet flushing again......these are the kind of helpful posts we all need.
Thanks so much for this video! Got my toilet working again thanks to you!
I totally agree with Ed..Quality not important..Information...Spot on..Thanks!!!! Saved ne headaches and money. Your the best!!
Thanks for the video, cleaned the pump works like magic. We owe you a beer.
Getting ready for a hunting trip in my Jayco 10y and no toilet pump action. Did all my usual quick fix techniques, fuses ground wires, bla bla bla. I was stumped.. TH-camd your video and fixed in less than 5 minutes. Thanks. this video was perfect!!!
Very cool! I just saw all of these replys today. I hadn't realized anyone was even looking at this! Glad it helped.
Thanks for this cracking instruction, mine was exactly the same seized motor copied you and freed off job done and for free brilliant. Thank you Alan from Ireland.
X SEAHAM Alan, I hope everything is great in Ireland! Very glad this video helped. Obviously I am not a professional troubleshooter but I am glad it got the job done.
Great video - fixed me up quick!
Just wanted to say only for your video I wouldn't of had a clue how and were to start to fix my thetford toilet followed your video and my toilet works like new thank you for posting a really useful video your the man !
DENVER JOSEPH CARROLL I greatly appreciate the kind words. It was certainly not professionally done but even with the mistakes I made I am glad it helped get yours going. Rock on man!
Bloody good information!!!!
Nothing wrong with your video quality at all, as I could follow as you did without any difficulty.
My trouble was the same as yours and easily fixed by your video.
Mucho thanks indeed.
Awesome video. Well explained. I had the same issue and your solution was spot on. Thank you 😎
Thank you for this video. I had the same problem and I have fixed it now.
Thanks worked on mine too. There is a magnetic float in the tank that sets the full indicator off.
Good stuff. Solved my problem brilliantly. Thank you so much for sharing!
Thank you, thank you, thank you for taking the time to document your solution to this problem! Followed your process and solved my problem. Again, many thanks.
I'm bit late, okay really late but I am glad it helped.
Love the inter web, great vid, problem fixed, thx so much for posting, from the Kiwi RV
Brilliant, thanks for your tips :-) This saved our camping holiday.
Greetings from Sweden.
Thank you so much. I spent half a day trying to figure it out and it took 3 minutes after watching your vid. Thanks again!
Ясен Б. Very glad this helped.
i frickin love you right now! the impeller was stuck. but after i got to move it again, the fuse broke. but if it was not for this video i would not know about that fuse! thanks a shitload much;)
Would be nice if THETFORD did a TROUBLESHOOTING video that explains THIS issue.
Legend!! Just watched your clip and tried it on mine and it worked!!! Well chuffed!!!
Full light> on top of the cassette is a gray slide to expose the inlet port :) :) inside the slide is a piece of metal, this is what actuates the float switch, I'm not entirely sure how, but it works on a magnet principal.
Thanks for the video....mine wasn't a seized motor, but it was the 4 pin wiring harness that goes to the circuit board. I only found it because of this. Would have never know that panel popped off up top.
Justin Degasis Even though you didn't have the same problem, I am glad the vid helped a little bit.
Thank you very much.Now I have saved some money when I did it by myself. Benny from Sweden
THANK YOU! Quality aside - you got the job done for us - thanks a bunch!
I O U A BEER!!!...thanks for sharing...did not tell my wife i saw your video before i fixed the same problem...awesome info. Cheers from a happy camper :-)
Great little video that helped me a lot. Thank you
Thanks so much mate, I thought I would have to pull the whole unit out to get at the pump, by the way the lights are activated by reed switches in the side near the fuse and there is a magnet on a float inside the tank
You are very welcome. Glad it helped.
thankyou I am going to try this as I had no idea what the problem could be
That was brilliant - thanks a lot - good video as well - don't sell yourself short. Worked for me :-)
Thankyou so much! We could not find the fault and were looking at getting an expert in.
No problem. I am very glad this has helped a few people! =)
Thanks so much for your video just followed it and it got it working perfectly
Thanks alot, the video helped me find the fuse in the outside compartment. It fixed my problem...+++
Perfekt now mine is working again, thanks for video
Thanks the video was very helpful and I was able to fix it so well done from Australia.
Freaking awesome man! Have a great day down under!
Great DIY help. Thanks.
Thanks for this video now i can fix mine next weekend
Very helpful! Thanks !
Thanks.
I had exactly the same problem.
Thanks once Again.
Finn
Denmark.
Finn Thorlacius Rock on FInn!! Hope all is well in Denmark!
Thank you that's done the job😊
Brilliant - thank you so much.
just wondered how to replace the water pump
Great video! Might I ask if there is any particular way to place the pump in the tank? Or do you just drop it back in there? Thanks!
Did the job thanks!
Hi there! We are new to RVing and we have a used pop up with the same cassette toilet. When we push the blue button, we can hear a sound, but there is no water coming out in the bowl... We don't understand why. We put water where we are supposed to in the tube, but it seems as though the water is not getting to the system. What is happening?
Thanks.......brilliant exactly the same problem.......fixed.......thanks again.....
Shaz Harding No problem. Very glad it helped and you got it working!
Same issue, had gone through same process apart from the pump bit as I didn't realise it could be pulled out like that. Unfortunately it was free and so I am still stuck..
Great video though - thanks
Do you have any good videos on how to fill the flush up. I can't get water to go through to mine.
great video. stop apologising, not MGM but good enough.
Did the lights work before you fixed it to indicate that the pump was getting power?
Honestly I don't remember. I wish I had a better answer. It is locked up now but I could certainly check it when we open it up for the spring. I don't even know if they are working now I just know the pump was working when we closed it up.
Thanks for this video. I'm sure it will be helpful in the future. In the mean time, I'm having trouble with my cassette toilet and maybe you might have an idea. The pump seems to be working as I can here the whirring when I push the blue flush button. The problem I'm having is that when I go to put the water in the tank through the "water in" tube, it just sits there and doesn't go anywhere and the glass indicator tube on the right of the cassette opening doesn't fill with water. I'm not sure how this is supposed to work as I don't think it's worked at all (bought the popup used but hadn't been used much as I saw the tube caps in a drawer and they've never been put on the toilet. Anyway, it doesn't seem to be taking on any water when I try to put water in the intake tube that swings out from underneath the toilet. Any clue why this may seem to be blocked? Thanks in advance.
Hey there tswiii. I am about to start getting my camper ready for the spring/summer camping season so I will take a look at mine as see if I can figure out what may be wrong. I am FAR from an expert on these popups but I have been learning a lot from friends and other owners. I will gladly share if I think I may have a solution for your problem.
Hi Reubix. I fixed it. I had to put in the water verrrrry sloooowly and it fills the tank. :) Thank you for your video. If I ever have a problem with the pump I'll know how to fix it!
hi again my flush has now stopped again but checked the fuse and it still OK ! would you have any other suggestions on what I should do again ?
DENVER JOSEPH CARROLL Despite the manner in which I handled my circuit board they can be very delicate. I should not have been handling it with wet hands or pressing the activation switch with wet hands either. That being said I would check the voltage coming from the board to the motor with a multi meter. Although information is limited there should be approx 12 volts going to the pump.
If it is getting 12 volts then the pump could be completely bad and in need of replacement.
Will give it a go
Oh yes, I just heard you say that your hands get blue!! You DON'T put the blue in the clean water, that's what blocks the pump up. Blue go's in the waste tank pink in the clean water, tut,tut.
I have since learned not to put the "blue stuff" in there. Or some people even recommend a tiny mixture of blue stuff with water. about a 1:20 ratio but yes, I will not be putting pure "blue stuff" in there anymore.