ge gas dryer (DBL333GB1CC) not getting hot enough

[George Meiers]

The burner is on for 25 seconds and shuts off for 70 seconds.

I connected a test lamp to the high limit switch, as soon as soon as the test lamp goes out the flame goes out. About 30 seconds after the test lamp lights again the flame returns. this cycle repeats for at least 2 hr.

I jump the high limit switch and the flame stays on for an hour and then the other thermostat opens and shuts off the dryer.

I have tried 2 new high limit switches and both switches do the same thing. The original switch had 180-40F temperature rating. I tried a 200-40F switch and a 180-20F switch. The air flow from the dryer with high limit switch connected seems cool with a strong flow. I have replace both coils.
The dryer seems to get quite hot with the high limit jumped after about 30 minutes . I do watch the dryer continuously when the high limt is jumped.

DBL333GB1CC

[JWWebster]

Did you have any clothes in there? Are they well done?

[dab147315]

Sounds like you have a  air flow problem.Take duct work off then see what happens.Also take front panel off and look for lint build up by blower wheel and were lint filter is.This dryer is made by Frigidaire

[George Meiers]

Will try that and let you know the results, thanks.