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z probe issues
#1
I'm hoping someone can give me a silver bullet to end my z-probe woes. I have a davinci 1.0A flashed with 0.92 firmware. I'm using the latest repetier software, and I have had many problems with bed leveling. This is preventing me from getting any usable prints. Yes I've tried manual bed leveling, but it just does not seem to be working correctly.

Originally I was able to get the z-probe to work, and it probed all three points. I can't remember, but it seemed like it moved the bed down 5 mm then probed to get a measurement.

Since I leveled the bed, and got the nozzle a folded piece of paper away from the bed, I cannot get the z-probe to work. It will probe at the correct place. It lowers the bed 10 mm, and right when the tip is in contact with the metal tab it fails at probe 1. No reason for failure just fails.

If I put tin foil on the tab, or use the brass brush to make contact during the probe it works fine.

My theory is that the Max z-probe bed distance is 10 mm, and the bed lowers 10 mm to do the probe. It is reaching the 10 mm limit just before contacting the head. I've tried modifying this value in the firmware, but it does not have any affect.

My firmware values if this helps.

Baudrate
Display Mode:
Light On:
Keep Light On:
Filament Sensor On:
Top Sensor On:
Sound On:
Filament printed
Printer active
Max. inactive time
Stop stepper after inactivity
Powersave after
Temp Ext PLA:
Temp Ext ABS:
Temp Bed PLA:
Temp Bed ABS:
X-axis steps per mm
Y-axis steps per mm
Z-axis steps per mm
X-axis max. feedrate
Y-axis max. feedrate
Z-axis max. feedrate
X-axis homing feedrate
Y-axis homing feedrate
Z-axis homing feedrate
Max. jerk
Max. Z-jerk
X home pos
Y home pos
Z home pos
X max length
Y max length
Z max length
X backlash
Y backlash
Z backlash
X-axis acceleration
Y-axis acceleration
Z-axis acceleration
X-axis travel acceleration
Y-axis travel acceleration
Z-axis travel acceleration
Manual-probe X1
Manual-probe Y1
Manual-probe X2
Manual-probe Y2
Manual-probe X3
Manual-probe Y3
Manual-probe X4
Manual-probe Y4
Z-probe height
Max. z-probe - bed dist.
Z-probe speed
Z-probe x-y-speed
Z-probe offset x
Z-probe offset y
Z-probe X1
Z-probe Y1
Z-probe X2
Z-probe Y2
Z-probe X3
Z-probe Y3
Autolevel active (1/0)
Bed Heat Manager
Bed PID drive max
Bed PID drive min
Bed PID P-gain
Bed PID I-gain
Bed PID D-gain
Bed PID max value
Extr.1 steps per mm
Extr.1 max. feedrate
Extr.1 start feedrate
Extr.1 acceleration
Extr.1 heat manager
Extr.1 PID drive max
Extr.1 PID drive min
Extr.1 PID P-gain/dead-time
Extr.1 PID I-gain
Extr.1 PID D-gain
Extr.1 PID max value
Extr.1 X-offset
Extr.1 Y-offset
Extr.1 temp. stabilize time
Extr.1 temp. for retraction when heating
Extr.1 distance to retract when heating
Extr.1 extruder cooler speed
Extr.1 advance L
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