This is a normal snack vending machine with a coin mechanism and bill acceptor installed. functional testing 1 Check to see if it is coin inserted 2 Check to see if coin is genuine 3 Reject if fake 4 Check to see if it is 5, 10 or 20 dollar bill inserted 5 Check to see if fake 6 Reject if fake 7 if coin accepted check proper change on coin mechanism 8 if bill accepted check proper change on bill acceptor 9 check improper change 10 if machine do not have enough change then reject coin 11 if machine do not have emough chnage then reject bill 12 user prompt to make selection product 13 vend item is less than 2 seconds 14 if sensor do not sense any dropped item on delivery bin then turn coil again 15 if sensor sense product then end the transaction 16 if sensor did not sense product then pompt user please make another selection then go back to 12 to 15 instability testing 17 check if vending machine can be inztalled properly with proper connection check if it is movable usability testing 18 check if vending machine has proper buttons 19 check if buttons are working 20 if buttons not working prompt machine out of service 21 check if it has 0-9 numbers to select 22 check if it has coin return button 23 dispenser delivery bin for hands to fit in to take the product 24 buttons are not too rough 25 buttons with braille 26 check for the height of the operationabilty performance 27 how quickly it drops 28 2 to 3 seconds drops sensor detect 29 test 110 v 30 test on different denomination loads of coins and keep selecting 31 keep inserting coins continously for 1 hr then product selection go to 1 to 15 Stress 32 shake the machine 33 switch on and off machine alternatingly and select it. 34 in severe cold/hot weather does it work. 35 keep inserting coins continously for 1 hr then select 36 insert nothing and keep pressing buttons compatibility 37 check different coins/dollars 38 check takes a 1 dollr 5 dollar 20 dollar 39 can vending machine work properly outside capability testing 40 what can vending machine do other than vending solid items 41 can it be used just for vending coins
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