I installed the new pump this morning and the system pumped down as expected. Around lunchtime it will achieve adequate vacuum level to be used. I will check it at noon and send you another message to say all clear to use it.
Unfortunately, the problem I have been working on this week, a bad vacuum pump, is not the problem that causes the vacuum panel to shut down intermittently. There is a chance that the panel will shut down again. I am still working with the manufacturer engineer to solve that problem.
Look for my message during the lunch hour today.