EM500 Open-Loop Vector Control Inverter User Manual 2. Installation 2.1 Product Verification Danger Do not install inverter if it is damaged or any component is missing so as to avoid injury! Please verify inverter products as per table 2–1 when you get them. Table 2–1 Check List If you find any quality problem, please contact SINEE Direct Sale Department or the distributor. Nameplate 23 Item Method Check if they are identical to the purchase order. Check the nameplate at the side of inverter. Any damage. Check the overall appearance to see if they are damaged in transportation. Any loosened screws or other fastening parts. Check with a screwdriver if necessary.