Trumatic c 3402 Fan not working properly (1 Viewer)

Nils

Free Member
Mar 9, 2021
1
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Funster No
79,643
MH
Fiat Burstner
Hi
Im an owner of a Fiat burstner 615. Its builed in 2005 and is innstalled with a trumatic 3402 heating system at same age. There is no problem with the truma when heating up warming up the water. The heater is also working fine at very low speed. The problems shows up when we are adjusting the controlpanel for more heat. The fan dont go any faster on stage. It feel like the fan are working exactly the same on stage 1, either stage 5 on the truma controlpanel. When we turn the control panel over stage 5, the whole truma is shutting down and the fan stops. We dont get any heat, but if we turn the wheel back to 4/5, the truma and the fan starts up again. Some facts. Have checked the batteri. Its shows 13,8V. The gas bottle are filled with propan gas and the reduction valve deliver 30mbar pressure. I have cleaned the fan. I cant fint any threads with the same problem. Would be very greatful for some good advice or tips

Nils
 

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