From 28e68075c82e8c50a36b31d934b1054e0b777fa3 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Mon, 7 Jan 2019 10:28:25 -0500 Subject: [PATCH] docs: Suggest checking for bad wires in "lost communications" faq entry Signed-off-by: Kevin O'Connor --- docs/FAQ.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/FAQ.md b/docs/FAQ.md index bd70b78d..56abe1a5 100644 --- a/docs/FAQ.md +++ b/docs/FAQ.md @@ -250,6 +250,9 @@ between the host machine and the micro-controller. Things to look for: - Make sure the printer's power supply is not being overloaded. (Power fluctuations to the micro-controller's USB chip may result in resets of that chip.) +- Verify stepper, heater, and other printer wires are not crimped or + frayed. (Printer movement may place stress on a faulty wire causing + it to lose contact, briefly short, or generate excessive noise.) - There have been reports of high USB noise when both the printer's power supply and the host's 5V power supply are mixed. (If you find that the micro-controller powers on when either the printer's power