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Update: I've followed the troubleshooting advice on the UM Error pages and swapped the connectors over between TEMP1 and TEMP3. The error then becomes a simple MAXTEMP displayed on the Ulticontroller, so from this I assume that the fault lies with the bed rather than the control board(s).
So I've stripped the bed down and checked the resistances across the various connections and terminals. Measured at the tails at the back of the connector block on the heated bed plate, the PT100 sensor is showing a steady 108.3 ohms at approx. 19C room temperature. The main heater track gives a reading of 3.2-3.3 ohms, but as that has been heating up OK I don't think there's a problem. Both of the sensor wires that run from the bed to the heater control board show very good continuity. The 3-pin cable running from the heater board to the main board also shows good continuity for all wires, even when I measure across pins on the boards sockets.
I'm running out of ideas here. Any ideas where the fault may lie?
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Strap in for the first Cura release of 2024! This 5.7 beta release brings new material profiles as well as cloud printing for Method series printers, and introduces a powerful new way of sharing print settings using printer-agnostic project files! Also, if you want to download the cute dinosaur card holder featured below, it was specially designed for this release and can be found on Thingiverse!
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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Update: I've followed the troubleshooting advice on the UM Error pages and swapped the connectors over between TEMP1 and TEMP3. The error then becomes a simple MAXTEMP displayed on the Ulticontroller, so from this I assume that the fault lies with the bed rather than the control board(s).
So I've stripped the bed down and checked the resistances across the various connections and terminals. Measured at the tails at the back of the connector block on the heated bed plate, the PT100 sensor is showing a steady 108.3 ohms at approx. 19C room temperature. The main heater track gives a reading of 3.2-3.3 ohms, but as that has been heating up OK I don't think there's a problem. Both of the sensor wires that run from the bed to the heater control board show very good continuity. The 3-pin cable running from the heater board to the main board also shows good continuity for all wires, even when I measure across pins on the boards sockets.
I'm running out of ideas here. Any ideas where the fault may lie?
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Share on other sites