Hot-End 2 and bed heats up same time

Hello friends of 3d printing,

i am currently upgrading my Velleman 3D Printer for Dual Print Heads (from RepRapPros triocolor design).
i have exchanged the controller board with a ramps 1.4.
Its working so far, except that when i heat up the bed, the Extruder 2 (D9) heats up too
and vise versa. The LEDs for D8 and D9 are both on than.

Is this a configuration or electronic problem?
I have changed the configuration of marlin to board 34 and set the extruder count to 2.
Its possible to print in dual mode, but i cannot control the bed this way.

I appreciate any advice for a solution.
Please let me know if you need more information.

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Cheers!
David

First 3D Printer: Velleman K8200/3Drag
Second 3D Printer: RRPro Huxley

What version of Marlin are you running?

its V1 from [reprap.org]

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Cheers!
David

First 3D Printer: Velleman K8200/3Drag
Second 3D Printer: RRPro Huxley

check the solder joints on the ramps. Sounds like some trace between D8 and D9 is bridged.

Edited 1 time(s). Last edit at 12/29/2013 09:05AM by cat.farmer.

Current version of Marin is 1.1187 at

[github.com]

If you are not on something close to the current version. About the only way to know what version you are running is to look at the dates. They don't seem to update the banner message with rev's ....

thanks so far.
It's the same with the newest marlin.
The solder joints look ok, but a spare ramps board is on the way anyway.
I hope that will work.

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Cheers!
David

First 3D Printer: Velleman K8200/3Drag
Second 3D Printer: RRPro Huxley

If you are on the current Marlin, make sure that he main board selection is correct in configuration.h. Also make sure that your pins.h file is stock / unmodified.

It was the ramps.
The new one works.

Ta.

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Cheers!
David

First 3D Printer: Velleman K8200/3Drag
Second 3D Printer: RRPro Huxley

Quote
UnasOne
It was the ramps.
The new one works.

Ta.

David
Can you please let me know what mods you made to Marlin to make the RAMPS work with the K8200 frame ( besides the 2nd extruder I am not interested in a 2nd ext, but rather a LCD/ SDcard reader)
I have done all my wiring correctly, the extruder and heatbed works, but the motors
1) seems to move in opposite directions
2) only steps a micro mm, even when I choose 10mm to move. I have increased the volts to 0.77 (from 0.44v)

I do appreciate any help, since I am loosing it with all these variables.
Thanks
Bert

Edited 1 time(s). Last edit at 01/23/2014 05:40AM by bert269.

Hi Bert,

i basically matched the values of configuration.h of the original K8200 firmware to the ramps.

#define MOTHERBOARD 33

// Travel limits after homing
#define X_MAX_POS 200
#define X_MIN_POS 0
#define Y_MAX_POS 200
#define Y_MIN_POS 0
#define Z_MAX_POS 220
#define Z_MIN_POS 0

#define DEFAULT_AXIS_STEPS_PER_UNIT {64.25,64.25,2560,600} // default steps per unit for Ultimaker
#define DEFAULT_MAX_FEEDRATE {500, 500, 50, 500} // (mm/sec)
#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.

#define DEFAULT_ACCELERATION 1000 // X, Y, Z and E max acceleration in mm/s^2 for printing moves
#define DEFAULT_RETRACT_ACCELERATION 1000 // X, Y, Z and E max acceleration in mm/s^2 for retracts

#define DEFAULT_XYJERK 20.0 // (mm/sec)
#define DEFAULT_ZJERK 0.4 // (mm/sec)
#define DEFAULT_EJERK 5.0 // (mm/sec)


// This values might need modification since i modified my x drive and switched to bowden.
#define INVERT_X_DIR true // for Mendel set to false, for Orca set to true
#define INVERT_Y_DIR false // for Mendel set to true, for Orca set to false
#define INVERT_Z_DIR false // for Mendel set to false, for Orca set to true
#define INVERT_E0_DIR true // for direct drive extruder v9 set to true, for geared extruder set to false
#define INVERT_E1_DIR true // for direct drive extruder v9 set to true, for geared extruder set to false
#define INVERT_E2_DIR true // for direct drive extruder v9 set to true, for geared extruder set to false

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Cheers!
David

First 3D Printer: Velleman K8200/3Drag
Second 3D Printer: RRPro Huxley