I'm suddenly getting a "SHUTDOWN (# 1) OVEN SHUT OFF" message on our HP6890. The fan also does not seem to be turning on to cool the oven. What is going on?
https://community.agilent.com/technical/gc/f/forum/1357/hp-6890-shutdown-1-oven-shut-off
For more detail, you can check above thread..
Hope, you will get answer...