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"Error: wrong checksum" after z-probing i get this message

gassiebernalgassiebernal
in Repetier-Firmware
hi guys!!

after issuing G32 S2 .
printer does the 3 points P1,P2,P3
then homes
then i get the error and a Resend: (####) #=number that varies...
printer seems to continue working fine but i am worried about constant error message...

here a copy of eeprom settings and error message.

18:09:40.937 : EPR:0 1028 0 Language
18:09:40.940 : EPR:2 75 250000 Baudrate
18:09:40.944 : EPR:3 129 0.100 Filament printed [m]
18:09:40.949 : EPR:2 125 144 Printer active [s]
18:09:40.953 : EPR:2 79 0 Max. inactive time [ms,0=off]
18:09:40.960 : EPR:2 83 360000 Stop stepper after inactivity [ms,0=off]
18:09:40.965 : EPR:3 11 80.0000 Steps per mm
18:09:40.970 : EPR:3 23 200.000 Max. feedrate [mm/s]
18:09:40.975 : EPR:3 35 600.000 Homing feedrate [mm/s]
18:09:40.979 : EPR:3 39 20.000 Max. jerk [mm/s]
18:09:40.988 : EPR:3 133 0.000 X min pos [mm]
18:09:40.994 : EPR:3 137 0.000 Y min pos [mm]
18:09:40.999 : EPR:3 141 0.000 Z min pos [mm]
18:09:41.011 : EPR:3 145 200.000 X max length [mm]
18:09:41.015 : EPR:3 149 200.000 Y max length [mm]
18:09:41.018 : EPR:3 153 475.388 Z max length [mm]
18:09:41.022 : EPR:1 891 70 Segments/s for travel
18:09:41.026 : EPR:1 889 180 Segments/s for printing
18:09:41.030 : EPR:3 59 1000.000 Acceleration [mm/s^2]
18:09:41.035 : EPR:3 71 1000.000 Travel acceleration [mm/s^2]
18:09:41.039 : EPR:3 881 360.000 Diagonal rod length [mm]
18:09:41.043 : EPR:3 885 163.870 Horizontal rod radius at 0,0 [mm]
18:09:41.050 : EPR:3 925 180.000 Max printable radius [mm]
18:09:41.060 : EPR:1 893 62 Tower X endstop offset [steps]
18:09:41.063 : EPR:1 895 0 Tower Y endstop offset [steps]
18:09:41.066 : EPR:1 897 210 Tower Z endstop offset [steps]
18:09:41.071 : EPR:3 901 210.000 Alpha A(210):
18:09:41.075 : EPR:3 905 330.000 Alpha B(330):
18:09:41.078 : EPR:3 909 90.000 Alpha C(90):
18:09:41.081 : EPR:3 913 0.000 Delta Radius A(0):
18:09:41.084 : EPR:3 917 0.000 Delta Radius B(0):
18:09:41.088 : EPR:3 921 0.000 Delta Radius C(0):
18:09:41.091 : EPR:3 933 0.000 Corr. diagonal A [mm]
18:09:41.094 : EPR:3 937 0.000 Corr. diagonal B [mm]
18:09:41.097 : EPR:3 941 0.000 Corr. diagonal C [mm]
18:09:41.101 : EPR:3 1024 0.000 Coating thickness [mm]
18:09:41.104 : EPR:3 808 -0.640 Z-probe height [mm]
18:09:41.108 : EPR:3 929 6.000 Max. z-probe - bed dist. [mm]
18:09:41.111 : EPR:3 812 5.000 Z-probe speed [mm/s]
18:09:41.115 : EPR:3 840 150.000 Z-probe x-y-speed [mm/s]
18:09:41.118 : EPR:3 800 0.000 Z-probe offset x [mm]
18:09:41.122 : EPR:3 804 0.000 Z-probe offset y [mm]
18:09:41.125 : EPR:3 816 -88.000 Z-probe X1 [mm]
18:09:41.129 : EPR:3 820 -51.500 Z-probe Y1 [mm]
18:09:41.132 : EPR:3 824 81.000 Z-probe X2 [mm]
18:09:41.136 : EPR:3 828 -56.500 Z-probe Y2 [mm]
18:09:41.143 : EPR:3 832 -6.200 Z-probe X3 [mm]
18:09:41.147 : EPR:3 836 93.000 Z-probe Y3 [mm]
18:09:41.157 : EPR:3 1036 0.000 Z-probe bending correction A [mm]
18:09:41.161 : EPR:3 1040 0.000 Z-probe bending correction B [mm]
18:09:41.164 : EPR:3 1044 0.000 Z-probe bending correction C [mm]
18:09:41.167 : EPR:0 880 1 Autolevel active (1/0)
18:09:41.172 : EPR:3 976 0.000 tanXY Axis Compensation
18:09:41.175 : EPR:3 980 0.000 tanYZ Axis Compensation
18:09:41.179 : EPR:3 984 0.000 tanXZ Axis Compensation
18:09:41.182 : EPR:0 1020 0 Enable retraction conversion [0/1]
18:09:41.186 : EPR:3 992 7.000 Retraction length [mm]
18:09:41.190 : EPR:3 1000 40.000 Retraction speed [mm/s]
18:09:41.193 : EPR:3 1004 0.000 Retraction z-lift [mm]
18:09:41.197 : EPR:3 1008 0.000 Extra extrusion on undo retract [mm]
18:09:41.200 : EPR:3 1016 20.000 Retraction undo speed
18:09:41.204 : EPR:3 200 800.000 Extr.1 steps per mm
18:09:41.207 : EPR:3 204 50.000 Extr.1 max. feedrate [mm/s]
18:09:41.211 : EPR:3 208 20.000 Extr.1 start feedrate [mm/s]
18:09:41.216 : EPR:3 212 1000.000 Extr.1 acceleration [mm/s^2]
18:09:41.220 : EPR:0 216 0 Extr.1 heat manager [0-3]
18:09:41.223 : EPR:0 217 230 Extr.1 PID drive max
18:09:41.227 : EPR:0 245 40 Extr.1 PID drive min
18:09:41.230 : EPR:3 218 7.0000 Extr.1 PID P-gain/dead-time
18:09:41.234 : EPR:3 222 2.0000 Extr.1 PID I-gain
18:09:41.237 : EPR:3 226 40.0000 Extr.1 PID D-gain
18:09:41.241 : EPR:0 230 255 Extr.1 PID max value [0-255]
18:09:41.244 : EPR:2 231 0 Extr.1 X-offset [steps]
18:09:41.251 : EPR:2 235 0 Extr.1 Y-offset [steps]
18:09:41.261 : EPR:2 290 0 Extr.1 Z-offset [steps]
18:09:41.264 : EPR:1 239 1 Extr.1 temp. stabilize time [s]
18:09:41.267 : EPR:1 250 150 Extr.1 temp. for retraction when heating [C]
18:09:41.272 : EPR:1 252 0 Extr.1 distance to retract when heating [mm]
18:09:41.275 : EPR:0 254 255 Extr.1 extruder cooler speed [0-255]
18:09:41.358 : N3851 M105*24
18:09:44.416 : N3852 M105*27
18:09:47.480 : N3853 M105*26
18:09:50.544 : N3854 M105*29
18:09:53.606 : N3855 M105*28
18:09:54.856 : N3856 M206 T3 X-0.44 P808*83
18:09:54.890 : Transformation matrix: 0.999947 0.000000 -0.010283 0.000076 0.999972 0.007421 0.010283 -0.007421 0.999920
18:09:54.894 : SelectExtruder:0
18:09:56.472 : N3857 G28*42
18:09:56.479 : Info:Autoleveling disabled
18:09:56.665 : N3858 M105*17
18:09:59.474 : SelectExtruder:0
18:09:59.478 : X:0.00 Y:0.00 Z:475.388 E:0.0000
18:09:59.482 : Info:Autoleveling enabled
18:09:59.732 : N3859 M105*16
18:10:00.162 : N3860 G32 S2*100
18:10:00.166 : Info:Autoleveling disabled
18:10:00.818 : SelectExtruder:0
18:10:00.821 : X:0.00 Y:0.00 Z:475.388 E:0.0000
18:10:02.795 : N3861 M105*27
18:10:05.858 : N3862 M105*24
18:10:06.540 : Z-probe:5.95 X:-88.00 Y:-51.50
18:10:08.918 : N3863 M105*25
18:10:11.845 : Z-probe:7.78 X:81.00 Y:-56.50
18:10:11.981 : N3864 M105*30
18:10:15.045 : N3865 M105*31
18:10:17.125 : Z-probe:5.73 X:-6.20 Y:93.00
18:10:18.110 : N3866 M105*28
18:10:18.362 : plane: a = 0.0106 b = -0.0075 c = 6.4959
18:10:18.375 : Transformation matrix: 0.999944 0.000000 -0.010575 0.000080 0.999972 0.007543 0.010575 -0.007543 0.999916
18:10:18.375 : CurrentZ:5.73 atZ:5.55
18:10:18.375 : Z after rotation:5.55
18:10:18.379 : Printer height:475.57
18:10:18.382 : Info:Autoleveling enabled
18:10:19.169 : X:-6.26 Y:93.04 Z:4.957 E:0.0000
18:10:19.173 : Info:Autoleveling disabled
18:10:21.168 : N3867 M105*29
18:10:22.398 : SelectExtruder:0
18:10:22.406 : X:0.00 Y:0.00 Z:475.562 E:0.0000
18:10:22.406 : Info:Autoleveling enabled
18:10:22.410 : Error:Wrong checksum
18:10:22.410 : Resend:3862
18:10:22.414 : Resend: N3862 M105*24
18:10:22.414 : Resend: N3863 M105*25
18:10:22.414 : Resend: N3864 M105*30
18:10:22.414 : Resend: N3865 M105*31
18:10:22.414 : Resend: N3866 M105*28
18:10:22.414 : Resend: N3867 M105*29
18:10:24.232 : N3868 M105*18
18:10:27.295 : N3869 M105*19
18:10:30.356 : N3870 M105*27
18:10:33.418 : N3871 M105*26
18:10:36.482 : N3872 M105*25
18:10:39.541 : N3873 M105*24
18:10:42.606 : N3874 M105*31
18:10:43.584 : N3875 G131*19
18:10:43.584 : N3876 G1 Z0*88
18:10:45.666 : N3877 M105*28
18:10:48.731 : N3878 M105*19
18:10:51.791 : N3879 M105*18
18:10:54.855 : N3880 M105*20
18:10:55.048 : N3881 M205*22
  

Comments

  • RepetierRepetier
    What do you mean with "constant error message..." - I see only one and then everything is ok.

    My guess is a well known problem here coming from sending back temperature response to input. Or did you change extruder? No problem with 1 extruder setups and latest dev version also is quite good at ignoring this problem, so nothing to worry.

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