Error Top Extra Quality - Kaeser Sd Card Write

Make sure you have enough free space on the SD card to accommodate new data.

[Inspect Physical Lock] ──> [Clean Contacts] ──> [Verify File System & Size] ──> [Format to FAT16/32] ──> [Test/Replace Card] Step 1: Check the Physical Lock

: If using a third-party card, ensure it is a standard SD card (not SDXC or high-capacity cards that may exceed the controller's addressable limits) formatted to FAT32. Access the Configuration Menu Log in with Password Access Level 2 (often requires an RFID equipment card). Navigate to menu 5.11 Confirm Status

The physical SD card housing features a tiny slider switch on the left edge. Vibrations inside the compressor enclosure can cause a loose switch to slide down into the "Lock" position. kaeser sd card write error top

The “Top” error indicates that the controller cannot write data logs (pressure curves, temperature history, motor starts) to the top SD card. The controller is essentially trying to keep a diary, but the pen is out of ink.

The physical SD card has its write-protection switch toggled to the "Locked" position.

If possible, source a replacement card directly through your local Kaeser distributor to ensure the sector layout matches the controller's requirements. To help troubleshoot further, please share: Make sure you have enough free space on

Standard SD cards feature a physical slide switch on the left edge. If this switch accidentally moves down into the "Lock" position, the Kaeser Sigma Control unit can read data from the card but is blocked from writing new logs or parameters to it. 2. Incompatible File System Formatting

The Sigma Control system requires a deeper master firmware flash that can only be done via proprietary Kaeser service tools (like Sigma Control Smart).

Kaeser compressors, particularly those equipped with the advanced SIGMA CONTROL 2 (SC2) Go to product viewer dialog for this item. Navigate to menu 5

If you reformat the card, reinsert it, and the error comes back within an hour, the SD card slot reader on the Sigma Control mainboard has likely failed. You have two options:

The physical write-protect switch on the SD card is active.

Standard SD cards feature a mechanical slide switch on the left edge. If this switch is accidentally toggled downward into the "Lock" position during handling or routine maintenance, the controller cannot alter the file system.

Put a tiny piece of tape over the switch if it slides too loosely. Loose switches toggle automatically when inserted into the tight Kaeser slot. Step 3: Format and File System Verification