¶ 1. Phenomenon Description
The screen displays "Error, key: 2564, extruder not heating as expected".
¶ 2. Cause Analysis
¶ 2.1 The thermoistor terminal wire is not tightly inserted while hotend is heating
¶ 2.2 The ceramic heating block /thermistor wire of the hotend is loose or not tightly inserted
¶ 2.3 The solder joints on the wires of the ceramic heating ring at the hotend is broken or cracked
¶ 2.4 The Hotend thermistor is loose
¶ 3. Troubleshooting and Solution
¶ 3.1 Open the Hotend Cover
Check whether the ceramic heating wire and the thermisor wire on the hotend board are assembled, and also check whether the thermistor is inserted in place
¶ 3.2 Remove the Hotend Silicon Cover
Check other abnormal conditions such as cracks on the ceramic heating ring.
¶ 3.3 The thermistor on the hotend is loose
If the warranty period has expired, please replace the sprinkle head kit*
The serrated shape can only be solved by replacing the hotend.
After checking the above steps, if the problem still cannot be solved, please contact after-sales service cs@creality.com