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Max temp error on the build plate (ER14)


engr
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Posted · Max temp error on the build plate (ER14)

I keep receiving this error mid print.

"Max temp. error on the build plate. Go to ultimaker.com/ER14"

I check the cables on the build plate and the board as recommended.

This is the only forum entry I see which addresses the issue:

 

 

20180829_074944.jpg

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    Posted · Max temp error on the build plate (ER14)

    What should I do next? Here are some screenshots of the temperature graph (I turned on and off different items in the legend) and also the event log.

    2018-08-29 11_11_12-10.1.10.158_info_temperature.html.png

    2018-08-29 11_16_20-10.1.10.158_info_temperature.html.png

    2018-08-29 11_17_47-Window.png

    2018-08-29 11_21_51-10.1.10.158_info_temperature.html.png

    2018-08-29 13_31_31-10.1.10.158_info_log.html.png

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    Posted · Max temp error on the build plate (ER14)

    Hi,

     

    I haven't experienced this error personally but according to the help text the next step would be to contact your reseller.

    Before you do that, it might be worth a try to update the firmware to the latest version and reset to factory settings. If the board is not damaged, then a simple reset might help.

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    Posted · Max temp error on the build plate (ER14)

    Hi @engr,

     

    This is an "intermittent" open connection between the bed temp sensor and the electronic board (located underside the printer). If this happen the input signal go hi up to 5 VDC and showing max temperature, so printer is halted!

    You can test this by just start your printer and warm up you heat bed, say 60 Deg Celsius,

    then try to move the heat bed say half way up. Then just move the cable coming from the heat bed going to the inner left corner. Just move it up and down gently to see if there is some wiring problem, close to the corner and close to the bed is the weak point of such arrangement (but good to check first). Ofc. monitor temp when doing this. Now try to variate the temp slowly + - 5 Deg, just to see if this is related to temperature variation.

    Second check that the bed temp connector is properly installed.

    Since this is an intermittent problem, it might also be the temp sensor on the heat bed that's the problem. Actually has happen a few times.. This latter is more complicated to correct. 

     

    Thanks

    Regards

    Torgeir.  

     

     

     

     

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    Posted · Max temp error on the build plate (ER14)

    @Torgeir Thanks for the help. I agree, looks like a temp sensor or else the main board. Will try replacing the thermistor on the heat bed.

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    Posted · Max temp error on the build plate (ER14)

    Replacing the thermistor (temperature sensor) seems to have fixed the problem.

    If you know how to solder and replace SMD components, it's the PT100 component on the bed heater (see this site https://fbrc8.zendesk.com/hc/en-us/articles/208281963-Heated-Bed-Plate ) and we used this component https://www.digikey.com/product-detail/en/heraeus-sensor-technology-usa/32207605/1759-1009-1-ND/6677788 [specs 100 Ohms RTD Platinum ±0.3% ±3850ppm/°C -50°C ~ 130°C 0805 ].

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