Error Codes / Emergency Recovery

An E3 error code like E3001 or E3002 is a full system crash that usually happens when one of the following occurs.

  • Compiling or programming a badly coded script;
  • Using a script that is designed for a newer firmware version;
  • Zen Studio has become corrupted, using an input device (mouse, keyboard, controller etc)
  • Updating the firmware with a bad USB cable or USB port;
  • Power loss during a firmware update;
  • Connecting an input device that is not compatible with Zen;

If you ever get an E2/E3 error code, it is highly recommended you change any USB cables you’re using as they may have a fault that is contributing to this problem.

Removing this error code requires a micro-USB cable connected to Zen’s rear console USB port while holding the Zen Reset button (on the bottom), this will force the Zen into an Emergency Bootloader mode so that you can then upgrade the firmware.

An E2 error code like E2021 usually happens when you’ve programmed a corrupt or incompatible script to one of Zen’s memory slots.

In order to restore access to your Cronus Zen you must now perform a hard reset.

An E3 error code like E3001 or E3002 is a full system crash that usually happens when a firmware update has corrupted or connecting an input device that is not compatible.

In order to restore access to your Cronus Zen you must now perform a system downgrade then upgrade.

See the Emergency Recovery page for more details.

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