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Hardware
2. Get a multimeter, unplug the Heated Bed cable from the Controller, and measure the resistance of the Heated
Bed. The resistance should be in the range of 60 KΩ – 130 KΩ. If the test value is out of the range, then the
Heated Bed might be broken, replacing it might solve the issue.
3. Check if the circuit is open. Get a multimeter, set it to continuity, and test the two big pins (see picture below)
inside the connector of Heated Bed cable.
- If the multimeter displays 1 or OL (open loop), then there's no continuity.
- If the multimeter displays a value of zero (or near zero), and makes a buzz sound, then the circuit is
continuous.
4. If previous troubleshooting doesn't solve the problem, then it might be that the Heated Bed port on the
Controller is broken. Replacing the controller might solve the problem.
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