Octoprint Communication Erros

What is the problem?

Communication error

There was a communication error while talking to your printer. Please consult the terminal output and octoprint.log for details. Error: Printer keeps requesting line 19 again and again, communication stuck

What did you already try to solve it?

Reboot Octorpint and checked all connections

Have you tried running in safe mode?

no

Did running in safe mode solve the problem?

no

Systeminfo Bundle

This is my Terminal Output

Recv: echo:busy: processing
Recv:  T:199.99 /200.00 (436.12) B:59.25 /60.00 (3442.38) @:42 B@:127 W:8
Recv:  T:200.00 /200.00 (436.00) B:59.33 /60.00 (3440.81) @:42 B@:127
Recv:  T:200.00 /200.00 (436.00) B:59.34 /60.00 (3440.75) @:42 B@:127 W:7
Recv: echo:busy: processing
Recv:  T:200.03 /200.00 (435.81) B:59.52 /60.00 (3437.13) @:41 B@:122 W:6
Recv:  T:199.98 /200.00 (436.19) B:59.63 /60.00 (3435.13) @:42 B@:115
Recv:  T:200.01 /200.00 (435.94) B:59.69 /60.00 (3433.88) @:42 B@:109 W:5
Recv: echo:busy: processing
Recv:  T:199.99 /200.00 (436.06) B:59.81 /60.00 (3431.63) @:42 B@:104 W:4
Recv:  T:199.99 /200.00 (436.06) B:59.93 /60.00 (3429.31) @:42 B@:96
Recv:  T:199.99 /200.00 (436.06) B:59.94 /60.00 (3429.19) @:42 B@:97 W:3
Recv: echo:busy: processing
Recv:  T:199.95 /200.00 (436.44) B:60.06 /60.00 (3426.69) @:43 B@:91 W:2
Recv:  T:199.96 /200.00 (436.37) B:60.14 /60.00 (3425.00) @:43 B@:86
Recv:  T:199.98 /200.00 (436.19) B:60.15 /60.00 (3424.81) @:42 B@:87 W:1
Recv: echo:busy: processing
Recv:  T:199.97 /200.00 (436.25) B:60.20 /60.00 (3423.63) @:42 B@:86 W:0
Recv: ok N18 P15 B7
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv:  T:200.02 /200.00 (435.87) B:60.29 /60.00 (3421.81) @:41 B@:78
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14

Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Recv: ok
Send: N19 M117 CE3S1P Schrauben (2) Generic PLA lw 0.6mm lh 0.28mm if 10.0% ext1 200C bed 60C.gcode*14
Recv: Error:checksum mismatch, Last Line: 18
Recv: Resend: 19
Printer keeps requesting line 19 again and again, communication stuck
Changing monitoring state from "Printing" to "Error"
Send: M112
Send: N20 M112*19
Send: N21 M104 T0 S0*18
Send: N22 M140 S0*85
Changing monitoring state from "Error" to "Offline after error"
Connection closed, closing down monitor
Closing down send loop

Additional information about your setup

all up to date and running pi 4B
octoprint.log (454.5 KB)

I recently ran into the same problem when I sent a gcode file with an extremely long filename. It generated the same failures and retries on a checksum error. Shortened the filename and resent it from Cura & it printed fine.

1 Like

Thanks that worked.

This topic was automatically closed 90 days after the last reply. New replies are no longer allowed.