Huebsch stack

[jimmyo]

I have some Huebsch dryers (jtd32 dg).They have a message " service soon " that occurs periodically. In the past I would pull the lint drawer and check to clean if I was neglectfull. This always shut the message off and everything would be fine. Lately though I have this message coming back regularly on one of the dryers even though the drawer is clean.Whats causing this to happen? Is there some other maintenance I should be doing?
Also where can I get a service book for these machines.
Thanks to all in advance.
Jimmyo

[MSKLAUNDRY.]

Check your venting for lint buildup. Also check the damper at the rear of the dryer to make sure it opening completely when the dryer runs.