Fully agree with Husky455rancher... the secondary burn stoves need to have a good supply of combustible gasses being 'cooked' out of the wood and combusting with superheated air from the secondary tubes. When all these factors are in place the secondary flames from the tubes act as 'broilers' onto the fuel pile to sustain the reaction. Also make sure that you are trying to start with a fairly full load of wood in the stove...maybe within an inch of the secondary air tubes. My Enviro Kodiak needs about a 20 minute burn on lighting before anything really starts happening.
Do you use the 'Top down' method of starting a fire?