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Subject Topic: thetford c-250 cwe no flush Post Reply Post New Topic
30/3/2015 at 4:28pm
 Location: Preston
 Outfit: Bailey Pegasus Rimini GT65
View DAF 3600's Profile View Profile   Reply to DAF 3600 Reply   Quote DAF 3600 Quote  
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Hi, Removed cassette and checked the feed into the compartment, a red and a black wire, live. Next checked the fuse and holder, when flush button pressed power shows on 12 volt tester. Circuit board on top of toilet also checked. Any ideas.

-------------
Secret to a happy marriage, two simple words, "Yes love" to everything she says.


30/3/2015 at 5:50pm
 Location: West Mids
 Outfit: Swift Ace Statesman & X-Trail 2.0
View G7ACU's Profile View Profile   Reply to G7ACU Reply   Quote G7ACU Quote  
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Only thing you haven't mentioned is the pump. Maybe the impeller's jammed or the pump has failed. You may need to access pump and test externally.

-------------
Paul

Every day's a school day!


30/3/2015 at 6:10pm
 Location: Preston
 Outfit: Bailey Pegasus Rimini GT65
View DAF 3600's Profile View Profile   Reply to DAF 3600 Reply   Quote DAF 3600 Quote  
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Thanks for the reply, do you know where the pump is situated and can it be removed easily.

-------------
Secret to a happy marriage, two simple words, "Yes love" to everything she says.


04/4/2015 at 12:55pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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If the pump is running you can usually hear it. It is accessed through the door that opens to remove the cassette, on mine it is on the right hand side where it clips into place, just follow the tubing up.

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


04/4/2015 at 7:29pm
 Location: Preston
 Outfit: Bailey Pegasus Rimini GT65
View DAF 3600's Profile View Profile   Reply to DAF 3600 Reply   Quote DAF 3600 Quote  
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Removed the pump, after cutting wire, tested on car battery, pumps fine. Next course of action, one gallon of mr esso's finest and a box of swan vesta's. Passing caravaner asks allright mate?". Not really been on with this toilet for three days and still won't flush. Right lets have a look he says, pump checked and working?, yes mate, fuse at back checked?, yes and a new one fitted just in case, circuit board in top of toilet?, checked and working, must be the connections to the circuit board then, examines the block connector, connections all corroded, there you are mate, that's the problem, squirt of wd 40 no luck, can't strip these down mate you need a new wiring harness. Now we have another problem, wiring harness comes complete with pump, you can't just buy the wiring harness, according to my very friendly dealer, £68 including p/p. Fitted new harness and pump, happy to report toilet now flushes. Thanks for the help. Apparently thetford changed the design after countless pump failures and other problems.

-------------
Secret to a happy marriage, two simple words, "Yes love" to everything she says.


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04/4/2015 at 11:56pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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Flushed with success then Well done

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


05/4/2015 at 9:01pm
 Location: West country
 Outfit: Mondeo
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May you have many happy visits


07/4/2015 at 11:07am
 Location: glasgow
 Outfit: conway olympia camper
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i have a similar problem in my hobby caravan , wont flush but can here a faint motor sound also the light fitting in toilet dims when trying to flush. any ideas would be welcome.


29/9/2015 at 10:34pm
 Location: None Entered
 Outfit: None Entered
View DesM12's Profile View Profile   Reply to DesM12 Reply   Quote DesM12 Quote  
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Hi
I have a problem with my Thetford which flushes on its own!! I can see that there is corrosion on the plug which connects to the control panel, which has been replaced but fault continues. It looks like the wiring looms need to be replaced which I see that you have done.
Are there any instructions for doing this or if not how did you do it?
Any help would be much appreciated


29/9/2015 at 11:21pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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Hi DesM12, welcome to the forum, there is a link here- http://www.bradtech.ltd.uk/products/Wire-Harness-for-C250CWE-model-T50763.html#SID=105

The wiring harness including pump is about £32 from them. You can just trace each wire back to its source one at a time and replace it untill they are all exchanged, new for old.

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


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02/10/2015 at 9:54pm
 Location: None Entered
 Outfit: None Entered
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Many thanks for your assistance.

DesM


03/10/2015 at 5:55pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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No problem, that what the forum is about, free information exchange that benefits us all.

Dave.

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.



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