Many Thanks for quick reply. I made some progress with #1 and #2 but run out of time last night. Planning to continue tonight. So far I was able to put my probe activation code into Z_PROBE_START_SCRI

2022-04-28 00:16:38: Connection started: Ender 3 #1

Apr 22 11:08:01 Repetier-Server ntpd[757]: bind(26) AF_INET6 fdce:95d5:9432:4cd8:dea6:32ff:fe3a:304d#123 flags 0x11 failed: Cannot assign requested address

#1  0x008807e6 in __sigtimedwait_time64 ()

#1  0x00881180 in __timedwait_cp ()

#1  0x008807e6 in __sigtimedwait_time64 ()

#1 0x00c80778 in __sigtimedwait_time64 ()

#1  0x00874d62 in raise ()

Feb 18 21:52:04 RepetierServer kernel: [ 4407.540795] usb usb2-port1: over-current change #1

Feb  3 11:05:37 Repetier-Server kernel: [    0.000000] Linux version 4.19.118-v7l+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1311 SMP Mon Apr 27 14:26:42 BST 2

;COLOR_CHANGE,T0,#15A106

Linux Repetier-Server 4.15.18-v7 #1 SMP Mon May 7 16:35:40 CST 2018 armv7l

gpu_mem=512 display_rotate=1 #1：90；2: 180； 3: 270 "

My setup: Repetier-Server Pro 1.0.4 running on a Raspberry Pi 3B.  Pi is connected via ethernet.  Two printers connected via USB and one webcam connected via USB.  The webcam is for printer #1 and is

At the moment there are 4 printers connected and working well with raspberry pi #1 (via serial/path/). It is connected to a network switch using an ethernet cable.

Sep 28 16:54:28 Repetier-Server kernel: [    0.000000] Linux version 4.19.118-v7l+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1311 SMP Mon Apr 27 14:26:42 BST 2

Linux raspberrypi 5.4.51-v7l+ #1333 SMP Mon Aug 10 16:51:40 BST 2020 armv7l GNU/Linux

[495734.459] Current Operating System: Linux Felix 4.19.97-v7l+ #1294 SMP Thu Jan 30 13:21:14 GMT 2020 armv7l

Apr 15 11:17:20 Repetier-Server1 ntpd[490]: bind(24) AF_INET6 fe80::1820:8462:bc22:f5df%2#123 flags 0x11 failed: Cannot assign requested address

[    0.000000] Linux version 4.19.75-v7l+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1270 SMP Tue Sep 24 18:51:41 BST 2019