Thetford cassette red light (1 Viewer)

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Jun 2, 2018
448
1,010
Beautiful North Wales border
Funster No
54,207
MH
Carado T449
Exp
Since 2015
Our van is only 9 month old.

The red cassette full light is now on when ever the cassette is inserted, but goes out when it is removed. I assume the light is a activated by a simple weight switch in the base.

I’ve searched the forum to no avail. Before I spend time investigating the fault, has anyone had the same before?

Thanks

Robin
 
Jan 2, 2015
2,507
8,825
Cumbria
Funster No
34,615
MH
Burstner Solano t725
Exp
since 2014
Empty the cassette first :whistle::whistle:

I like watching some of the French cassette emptiers.
They treat it like an Olympic Sport with their vigorous too & fro action causing the level float to sticking the full position:whistle:

Barry
 
Oct 12, 2009
11,244
24,782
SW London, Poland and all Europe
Funster No
8,876
MH
A Class N+B Arto 69GL
Exp
Since 2009
Empty the cassette first :whistle::whistle:

I like watching some of the French cassette emptiers.
They treat it like an Olympic Sport with their vigorous too & fro action causing the level float to sticking the full position:whistle:

Barry

Well I have been giving our cassette a good shake for 10 years and never had a problem.

I wonder whether not shaking might cause it to stick and not float - I would not like the consequences of that, although we use visual inspection to estimate when we need to change, and we have two cassettes.

Geoff

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Candapack

Free Member
Oct 16, 2014
711
2,639
Fife, Scotland
Funster No
33,848
MH
Coachbuilt
Exp
Since 2013
The Mark One ocular device, developed and enhanced over millennia, is by far the most reliable tool for letting you know when to empty the cassette.
(y)
 
Sep 26, 2013
4,211
5,232
Market Rasen
Funster No
28,295
MH
Self Build
Exp
Since 2003
Took the float out of mine when I jet washed the inside, empty it every day when we use the van so no need for it.
 

Mikey RV

LIFE MEMBER
Mar 7, 2010
5,037
25,219
Devon
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10,532
MH
Burstner Elegance I821G
Exp
Since 1977
Our van is only 9 month old.

The red cassette full light is now on when ever the cassette is inserted, but goes out when it is removed. I assume the light is a activated by a simple weight switch in the base.

I’ve searched the forum to no avail. Before I spend time investigating the fault, has anyone had the same before?

Thanks

Robin

I should think the red light will be on after nine months it will be full. :D2
 

DuxDeluxe

LIFE MEMBER
Jul 10, 2008
14,712
73,960
Planet Zog
Funster No
3,243
MH
A woosh bang van
Exp
since 2008
Empty the cassette first :whistle::whistle:

I like watching some of the French cassette emptiers.
They treat it like an Olympic Sport with their vigorous too & fro action causing the level float to sticking the full position:whistle:

Barry
I frequently try a vigorous to and fro action, but never got it stuck yet.......
 

skylinersi

Free Member
Nov 9, 2016
1,186
952
midlands
Funster No
46,005
MH
Van conversion
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newbie
on a bit of a tangent, our no longer lights up!

what do i need to check / do?, not overy fussed, but i would like it to work as intended!!
 

Geo

Trader - Funster
Jul 29, 2007
11,757
14,566
Mansfield,Notts
Funster No
35
MH
Autotrail Tracker FB
Exp
45 +years with breaks
Little fuse may have blown, usually just inside the cassette locker
 

ctc

Oct 12, 2015
1,569
2,653
Crowle
Funster No
39,408
MH
Hymer b680
Exp
New
Empty the cassette first :whistle::whistle:

I like watching some of the French cassette emptiers.
They treat it like an Olympic Sport with their vigorous too & fro action causing the level float to sticking the full position:whistle:

Barry
Spoilsport
 

Puddleduck

LIFE MEMBER
Jan 15, 2014
12,508
44,706
Scottish Borders
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29,703
MH
Without at present
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On and off for many years.
on a bit of a tangent, our no longer lights up!

what do i need to check / do?

Float might be stuck down. Dried loo paper on the float / sensor is a prime culprit.

I take the slider off (put it somewhere safe where it won't fall / be knocked into the disposal point) and open the hatch when cleaning out, that way I can make sure I rinse around the float mechanism and also check for difficult to budge lodgers.

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Lenny HB

LIFE MEMBER
Oct 18, 2007
54,945
157,435
On the coast in West Sussex
Funster No
658
MH
Carthago Compactline
Exp
Since 2008 & many years tugging
Empty the cassette first :whistle::whistle:

I like watching some of the French cassette emptiers.
They treat it like an Olympic Sport with their vigorous too & fro action causing the level float to sticking the full position:whistle:

Barry
Came across a sign at a French service point the other week.

"Max time 2 Hours"

I thought blimey the French are going the have get their finger out & get a move on.:rofl:
 
Nov 3, 2016
881
1,683
Derbyshire, UK
Funster No
45,901
MH
Bailey Autograph
Exp
Since 2016
Float might be stuck down. Dried loo paper on the float / sensor is a prime culprit.

I take the slider off (put it somewhere safe where it won't fall / be knocked into the disposal point) and open the hatch when cleaning out, that way I can make sure I rinse around the float mechanism and also check for difficult to budge lodgers.

Exactly what I do too. I like to be 100% sure that EVERYTHING is out. The shake technique ensures this. I don't leave the disposal point until I have what looks like drinkable water coming out of the cassette. Means for me once its back in and re-prepped with water and blue (yes I know the arguments about blue and the environment now) I can happily leave it for weeks and no dodgy bacteria or smells will build up.
 

Puddleduck

LIFE MEMBER
Jan 15, 2014
12,508
44,706
Scottish Borders
Funster No
29,703
MH
Without at present
Exp
On and off for many years.
Means for me once its back in and re-prepped with water and blue (yes I know the arguments about blue and the environment now) I can happily leave it for weeks and no dodgy bacteria or smells will build up.


Yep, I put a new bio capsule in if we will be using the van within a month or two or diluted zoflora if not. :)

I don't like the smell of the blue/green/pink additives which is why we don't use them.
 

GWAYGWAY

Free Member
Sep 6, 2014
4,213
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Dover
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33,216
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Hymer ML I 580
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4 years
magnet fallen off the float and thown away????????????????
 

Lenny HB

LIFE MEMBER
Oct 18, 2007
54,945
157,435
On the coast in West Sussex
Funster No
658
MH
Carthago Compactline
Exp
Since 2008 & many years tugging
Thanks all - and for the humorous replies.

All now fixed. Simple float issue - was stuck with, er, floaters.
Why is it we eat the same food, drink the same wine as the woman, there turds float ours sink like lead, our farts stink, there's don't smell (so they claim).:)
 
Jan 2, 2015
2,507
8,825
Cumbria
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34,615
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Burstner Solano t725
Exp
since 2014
Although this YouTube video deals with the C250 cassette, it is quite informative in explaining how the Reed switch, magnet etc work in displaying the red light.

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Northernraider

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Jul 30, 2017
29,143
191,546
On the sofa ....
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Mobilvetta eurayacht
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On and off since 95
Out of all my vans and caravans I don't ever think I've seen that light come on ...even after 4 or 5 days. I've just always noticed when opening valve that it's near the top and won't risk overflowing it.
 

Louis

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Mar 29, 2016
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Fiat Ducato Auotrail
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6 Months with motorhome(35 years tugging)
Can’t the level of waste be seen with the flap open ? :rolleyes:
 

GWAYGWAY

Free Member
Sep 6, 2014
4,213
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Hymer ML I 580
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4 years
When the red-light comes on it is full to the top anyway, you just need to look as it comes up unless there is no light in the toilet area.
 

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