UAIS DEBEG 3400, Electronics UnitED3047G142 / 08 (2004-06)Technical Manual6 Repair/Maintenance6.6 Exchange of Parts and Testingt_ue_e07.fm / 21.06.04646.6 Exchange of Parts and Testing6.6.1 Electronics UnitIf the Electronics Unit is defective, the complete Electronics Module inside the housing must beexchanged.For the exchange, proceed as follows:1. Disconnect/switch the AIS from the mains supply.2. Open the housing as described in Section 6.4.3. Disconnect the three coaxial cables.4. Mark the 4 plugs and disconnect them.5. Unscrew the screws of the mounting plate.Fig. 6-10 Exchange of the Electronics Module6. Former version of the housing: lift the Module carefully out of the housing.Current version of the housing: remove the fan and lift the module at the side marked with "A" oruntighten the clamps at the cable inlets and lift the module at the side marked with "A".7. To mount the new Module, proceed in the reverse order. If the fan has been removed (currenthousing version) it must be installed in the correct direction (flow of air to the outside). Further adjust-ments or setting are not necessary. For the connection of the coaxial cables see Figure 4-5 on page38.z_ue_022.tifz_ue_039.jpgformer version current versionAair flow
