Kaeser Sd Card Write Error Top ((exclusive)) Official
The compressor cannot log performance data.
The card's data structure is corrupted due to improper removal or power interruptions.
Understanding why the Sigma Control 2 rejects write commands helps narrow down the solution quickly:
Use a can of compressed air to blow out any ambient dust embedded inside the controller's SD card slot. Step 3: Verify Capacity and File Format on a PC Insert the SD card into a computer card reader. Right-click the drive letter and select . kaeser sd card write error top
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | Error appears immediately on boot | Corrupted file system or Lock switch on | Reformat card or slide unlock tab | | Error appears after 2-3 years of use | Card reached write cycles (End of Life) | Replace with Industrial High Endurance card | | Error persists with 3 different cards | Mainboard slot hardware failure | Repair internal write-protect switch or buffer IC | | Error only on large cards (32GB+) | Incompatible exFAT or SDXC format | Use 2GB to 16GB FAT32 card only |
A occurs when the industrial PC inside the Sigma Control 2 unit fails to write backup data, operating parameters, or event logs to the secure digital storage media . Identified primarily as Warning Code 0300 W , this fault alerts technicians that the controller can no longer store long-term operational trends or transfer software updates.
It saves custom settings, pressure profiles, and operational parameters so they aren't lost during a power outage or system reset. The compressor cannot log performance data
Inspect the gold contact pins on the back of the card for oxidation or grease.
Kaeser systems require specific formatting to communicate correctly. Must be FAT32 . Capacity: Ensure there is at least 50 MB of free space.
: Remove the card and ensure the slider on the side is pushed toward the metal contacts. Step 3: Verify Capacity and File Format on
The code disappears and the flashing yellow LED turns off. Failed Test
Industrial cards tolerate extreme temperatures, vibrations, and offer significantly higher write endurance than standard retail cards.
The SD card must be formatted to FAT32 to work with the Sigma Control 2 system. 📂 How to Safely Manage the SD Card
The SIGMA CONTROL 2 controller is not compatible with every SD card format. The official documentation for the controller explicitly states that the SD card must be formatted with the . If you have inserted a card formatted with NTFS, exFAT, or another file system, the controller will likely fail to write to it and may generate a write error.