Shelf 1: DS212-12 Firmware rev. Shelf 2: DS212-12 Firmware rev. Shelf 3: DS212-12 Firmware rev. Shelf 4: DS212-12 Firmware rev. Shelf 0: DS212-12 Firmware rev. Shelf 5: DS212-12 Firmware rev. IOM12B A...Shelf 1: DS212-12 Firmware rev. Shelf 2: DS212-12 Firmware rev. Shelf 3: DS212-12 Firmware rev. Shelf 4: DS212-12 Firmware rev. Shelf 0: DS212-12 Firmware rev. Shelf 5: DS212-12 Firmware rev. IOM12B A: 0130 IOM12B B: 0130 1->front of the shelf on the left, on the OPS panel 11->rear of the shelf at the top left, on shelf module A Temperature reported by temperature sensor "10" exceeds the specifications for the disk shelf or its components. Replacement of shelf 4 IOM A doesn't resolve the issue.