I don't have those testers, but I am not a commercial concern. When doing a service or tuneup on a customers machine, I think that a checklist is a great tool. So easy to skip one step that could cause considerable issues.
Do you have a checklist? Can you possibly scan and post a copy here? Might be helpful for even the homeowners.
Do you have a checklist? Can you possibly scan and post a copy here? Might be helpful for even the homeowners.