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Appendix II Basic Operator Troubleshooting
Pictorial  Diagram

Photography (Advanced) - Advanced manual for photography and other graphic techniques
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procedure(s) required to correct them. These are often produced in table form. Most  trouble-shooting  tables  are  arranged  in columns  that  list  the  trouble,  the  probable  cause(s),  and the remedy(ies) (table AII-1). Once the trouble is identified, you should refer to the table for the probable cause and then make necessary repairs or adjustments to correct the malfunction. Another type of trouble-shooting table is the logic flow diagram. In a logic flow diagram, you simply "enter" the diagram and follow the arrows to various blocks  or  segments  and  perform  the  functions  indicated or move on to the next segment in a prearranged, logical manner. A logic flow diagram is usually accompanied by other types of diagrams and instructions. ELECTRICAL  DIAGRAMS The majority of imaging equipment is operated by electricity. To troubleshoot and perform maintenance on this equipment adequately, you must have a basic knowledge of electricity and be able to read electrical diagrams. You should spend a few moments studying Table AII-1.—Trouble-Shooting Table for Electric Ranges TROUBLE Range does not heat. No heat at one surface burner. Surface burner too hot. PROBABLE  CAUSE(S) REMEDY(IES) No  voltage  at  outlet. Correct voltage. Blown  fuse. Replace  fuse. Open  breaker. Reset breaker. Broken wire in power cord. Check continuity of cord. Faulty  wall  outlet. Check for voltage at outlet. Faulty prongs on male plug. Replace  if  necessary. Faulty  slots  in  wall  outlet. Replace  if  necessary. Loose terminal connections at Clean  and  tighten  connections. burner  unit. Corroded contacts in control switch. Clean  contacts  with  sandpaper. A  burned-out  element. Replace  element. Open  in  burner  circuit. Replace  wires  if  necessary. Incorrect or reverse connections. Switch wires as required. No heat in oven. Element connections loose and corroded. Clean  and  tighten  connections. Oven too cool. Oven too hot. Appliances  fail  to  heat  when plugged  into  appliance. Uneven  baking. Appliances  fail  to  heat  when plugged  into  appliance  outlets. Burned-out element or elements. Replace   elements. Inoperative  oven  control. Adjust  or  replace  control. Inoperative  oven  control. Adjust  and  replace  control. Range  tilted. Level  range. Oven racks not on proper supports. Place racks on proper supports. Blown  fuse. Replace  fuse. Loose and corroded circuit connections.   Clean  and  tighten  connections. Broken  circuit  wires. Faulty  outlet. Replace  wires. Replace  if  necessary. AII-2







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