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engr

Max temp error on the build plate (ER14)

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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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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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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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