¶ 1. Phenomenon description
For firmware versions below 1.3.1.x, "Error: E004, key: 2507, not heating as expected" pops up on the screen.
Versions 1.3.1.x and above version have decomposed this error code into 2564 and 2565 error codes
¶ 2. Cause analysis
Unable to heat up/unable to maintain a specified temperature.
¶ 3. Troubleshooting and solution
- 3.1 Restart the machine, individually heat the hot end to 240°C and the hotbed to 90°C for ten minutes to determine whether it's the hot end or the hotbed that has a thermal runaway.
- 3.2 If there is an error when heating the hot end, troubleshoot and resolve it according to 2564 Error Trouble Shooting
- 3.3 If there is an error when heating the hotbed, troubleshoot and resolve it according to 2565 Error Trouble Shooting