Fixing E22 Error on Bamboo Printer: Complete Guide

Published on January 08, 2026 | Translated from Spanish
3D Bamboo printer displaying screen with E22 error code next to maintenance tool and extracted fan

Fixing the E22 Error on Bamboo Printer: Complete Guide

When your Bamboo printer displays the E22 code, it is indicating an anomaly in the heated platform cooling system. This alert can be triggered during the initial heating phase or abruptly interrupt an ongoing print job, causing frustration and delays in your projects 🚨.

Identifying the causes of the error

The monitoring system detects that the hot bed fan is not operating within the established ranges. The main causes include electrical defects, physical blockages in the mechanism, or temperature sensor malfunction. Early detection prevents major damage to components 🔍.

Initial diagnostic procedure:
  • Visually inspect the fan for dust buildup or disconnected cables that prevent free rotation
  • Manually rotate the blades to check for abnormal resistance or unusual squeaking sounds
  • Verify that the connectors are firmly inserted into the mainboard without signs of oxidation or deterioration
The fan seems to develop a mind of its own, suspending its operation at the most critical moments of printing as if prioritizing its rest over your projects.

Step-by-step resolution methods

If you confirm that the problem lies in a mechanical obstruction, use compressed air for a deep clean without damaging delicate components. When the fan receives power but does not spin, immediate replacement is the most reliable option to restore full functionality 🛠️.

Sequence of corrective actions:
  • Disconnect all power cables before handling any internal printer components
  • Update the firmware from the manufacturer's official source to rule out false alerts from outdated software
  • Request specialized technical service if the error persists, as it could indicate failures in the main control board

Final considerations and preventive maintenance

Keeping your 3D printing equipment in optimal condition requires periodic reviews of the ventilation system. The E22 error serves as a reminder to incorporate these checks into your maintenance routine, ensuring successful prints and extending the lifespan of your Bamboo 💡.