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I have a Trama 3400 boiler heater in my motorhome hymer 564 and for some reason the blow air heater has now stopped working..the water still heats up fine but the fan has stopped blowing the air...I looked on the board attached to the boiler and tested that the three fuses on board are still working ok and there fine. So no sure what it could be...I'm in urgent need now as I'm living in the motorhome for a while and really need the heat. All has been working fine for a good year until now.
I have a manual that came with the hymer but all in other languages apart from English which is strange...so no joy.
I,m not entirely sure which are the right controls
a control traumatic C with the thermostat on where you switch the button down for water only and up for water and heating...does this turn blower on when switched up?? I understand when yellow light is on it's heating up and when red it's usually gas out. Yellow light on ok at mo and no red light.
I have another control next to it Truma duomatic L with round control with three settings...Aus,summer, winter...could you explain how this works...when I turn this on nothing happens and red light comes on.
Is this just electric?? Not sure
Thanks for any help need to sort soon as due to the nights getting colder.
Hi and welcome.... I'll take a punt here, as I only know the Truma control round knob, the inner part is the heating temp control and the outer ring is the heat selector, up is 60c next one down is 40c water temp, then the center is off the next on down is 60c for winter and the final position down (which you are looking for) is the water heat of 60c and the heating which brings the heater fan into operation, make sure that the temp selector is set at max (9) to start with and you should see and hear the fan going, if is dose not come on try removing the room temperature sender located some where near the main electric control panel, it should make the fan blow at max speed, making sure you have it set to winter if there's a switch for that, If that works it's a need to get a new room temp sender.... hope that helps you
Hi and welcome.... I'll take a punt here, as I only know the Truma control round knob, the inner part is the heating temp control and the outer ring is the heat selector, up is 60c next one down is 40c water temp, then the center is off the next on down is 60c for winter and the final position down (which you are looking for) is the water heat of 60c and the heating which brings the heater fan into operation, make sure that the temp selector is set at max (9) to start with and you should see and hear the fan going, if is dose not come on try removing the room temperature sender located some where near the main electric control panel, it should make the fan blow at max speed, making sure you have it set to winter if there's a switch for that, If that works it's a need to get a new room temp sender.... hope that helps you
Hi Clive thanks for the reply...don't think it's the same as the one you know.
The traumatic C control has a round control with 5 to 30 on with a green light that lights up when switched on...no outer ring, inner or centre like you say. Just a simple round control to turn from 5 to 30.. Above right of this on the same panel is the switch that you centre for off...down for water only and up for water and heating.
When I switch up it fires up and sounds like the heater fan is just going to start then stops but you can just hear the water heater still on...but no fan.
I have a room temp gauge near the drivers wheel that reads temp in and out..not sure if this is the temp sendor? Cannot find one near controls.
I have another control next to the first control called Truma duomatic L with round control with three positions to turn to...Aus,summer, winter...above the control is a red and green light , below the red says: reserve? Could you explain how this works...when I turn this on nothing happens and red light comes on. This electric heater only? Also what are the lights green and red.
"I have another control next to the first control called Truma duomatic L with round control with three positions to turn to...Aus,summer, winter...above the control is a red and green light , below the red says: reserve? Could you explain how this works...when I turn this on nothing happens and red light comes on. This electric heater only? Also what are the lights green and red".
See below. It is possible that the control is in place but the changeover has been removed at sometime.
Yes now ray has found the manual, I can see now, set the switch to water and heating and the temp control, to 30 ie max and see if the fan works, in the winter mode.... The room sender is black in colour and around 3/4" mine is above the door adjacent to the electrics control panel, with the 2meters hope this helps.
Thanks ray for the manuals...I can see the other control was just for duo gas bottles...and not electric to heat boiler..at least that cleared one thing up thanks....but still not sure when I should use?
Every time I use boiler in either summer or winter??
Clive not found the sensor yet...I have tried to start the heating in every setting at high full temp with winter etc and still nothing.
but our c3404 truma heating would not work [gas] water fine electric but not gas...are you sure the water heater is working on gas [just close bottle and you will find out] or is it just running off electric.
the reason ours failed was when in startup mode..the boiler tries t ofire but a safety [flue] sensor did not work hence the chance of gasing the van occupants..so it shut down.
remedy was a new fan under the boiler which blew the exhaust gas outside [not to be confused with main heating fan]
hope it helps if not give truma a phone call for nearest dealer as they arent always expensive.
Hi and welcome.... I'll take a punt here, as I only know the Truma control round knob, the inner part is the heating temp control and the outer ring is the heat selector, up is 60c next one down is 40c water temp, then the center is off the next on down is 60c for winter and the final position down (which you are looking for) is the water heat of 60c and the heating which brings the heater fan into operation, make sure that the temp selector is set at max (9) to start with and you should see and hear the fan going, if is dose not come on try removing the room temperature sender located some where near the main electric control panel, it should make the fan blow at max speed, making sure you have it set to winter if there's a switch for that, If that works it's a need to get a new room temp sender.... hope that helps you
Hi Clive thanks for the reply...don't think it's the same as the one you know.
The traumatic C control has a round control with 5 to 30 on with a green light that lights up when switched on...no outer ring, inner or centre like you say. Just a simple round control to turn from 5 to 30.. Above right of this on the same panel is the switch that you centre for off...down for water only and up for water and heating.
When I switch up it fires up and sounds like the heater fan is just going to start then stops but you can just hear the water heater still on...but no fan.
I have a room temp gauge near the drivers wheel that reads temp in and out..not sure if this is the temp sendor? Cannot find one near controls.
I have another control next to the first control called Truma duomatic L with round control with three positions to turn to...Aus,summer, winter...above the control is a red and green light , below the red says: reserve? Could you explain how this works...when I turn this on nothing happens and red light comes on. This electric heater only? Also what are the lights green and red.
Thanks for any help
I had a problem similar in that my boiler was fine but the heating fan stopped working, truma at Derby near to Toyota plant charge £35 per hour to repair.
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Italy
