Previous Product Next Product SEC-AMB-31 Main board for ASD 531 Please login to see your pricing Login SKU: SEC-AMB-31 Category: Spares Description Repair exchange for the ASD 531. Brochure Technical Brochure Related products Quick View Quick View SparesSEC-AFU-32 Read moreAspirating fan unit for ASD 531/532 Quick View Quick View SparesSEC-ACB-35 Read moreBasic control board for advanced display of ASD 535-3 and -4 Quick View Quick View SparesSEC-IPS-35 Read moreInsect protection screen (Set 2pcs) Quick View Quick View SparesSEC-BCB-35 Read moreBasic control board for standard display of ASD 535-1 and -2