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Modular bed error #17252 (XL)

Relevantní pro:
Poslední aktualizace 16 hours ago
Tento článek je také dostupný v následujících jazycích: 

What happened? 

The printer is showing the message: "Heatbed tile no. #: Temperature measurement error; thermistor may be faulty"

Error name: MB Mintemp Err

Error code: #17252

The error message includes the number of the affected heatbed tile. The error might indicate an issue with the thermistor attached to the indicated heatbed tile. 

How to fix it? 

A visual inspection

Check the heatbed tile for physical damage, for example, a scratch on any heatbed tile surface, or a cable in bad status on the bottom of a heatbed tile. Identify the heatbed tile number

Check that the indicated heatbed cable is correctly connected with the modular bed electronics, and with the heatbed tile, and reseat the connection. 

Error on heatbed tiles 1 or 7 

In case of an error specifically on heatbed tile 1 or heatbed tile 7, it is possible that one of the PSUs could be faulty. Before attempting the cable swaps in the below flowchart, attempt the following steps: 

  1. Switch the printer off, make sure it is cold and disconnected from the mains.
  2. Looking at the rear side of the printer, apply the following steps to the left PSU for an error on heatbed tile 1, and to the right PSU for an error on heatbed tile 7. 
  3. Using a 2.5mm Allen key, remove the bolt holding the switch-cover. Once removed, check if the PSU is switched on (symbol "I").
  4. Using a 2.5mm Allen key, remove the two bolts holding the PSU cover. Then, remove the PSU cover
  5. Switch on the printer. Observe if the green light switches on, or remains off. A green PSU light that remains off upon powering on the printer indicates an issue with the PSU. 
    Left PSURight PSU

Troubleshooting flowchart 

Manipulate the connections only with the printer cold and switched off

Follow the procedure indicated in the below flowchart to help diagnose the faulty component. As a first step, swap the cable on the tile side connected with the erroring tile with any other cable on the tile side. 

Each connector has a safety latch. It is necessary to press the latch before disconnecting. Otherwise, the connector may get damaged. 

Cable connectors on the heatbed tiles side. Cable connectors on the board side.

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