9. TROUBLESHOOTING CHART

32

9-1. What to be Prechecked First

32

9-1-1. Power Supply Voltage

32

9-1-2. Incorrect Cable Connection between Indoor and Outdoor Units

32

9-1-3. Misleading but Good Operations

33

9-2. Primary Judgement of Trouble Sources

34

9-2-1. Role of Indoor Unit Controller

34

9-2-2. Display of Abnormalities and Judgement of the Abnormal Spots

34

9-3. Troubleshooting Flowcharts

38

9-3-1. Power can not be Turned on

38

9-3-2. Power can not be Turned on after Replacing Indoor PC Board

39

9-3-3. Outdoor Unit does not Operate

39

9-3-4. Only Compressor does not Operate

40

9-3-5. Only Outdoor Fan does not Operate

41

9-3-6. Only the Indoor Fan does not Operate

42

9-4. How to Check the Remote Control (Including the Indoor PC Board)

43

9-4-1. How to Check the PC Board

44

9-4-2. PC Board Layout

46

9-4-3. How to Reduce the Operation Time of the Anti-Restart Timer

47

10. PART REPLACEMENT

48

10-1. Indoor Unit

48

10-2. Microcomputer

50

10-3. Outdoor Unit

51

11. CAUTIONS ON REPLACEMENT OF PC BOARD ASSEMBLY

52

12. EXPLODED VIEWS AND PARTS LIST

53

12-1. Indoor Unit (1)

53

Indoor Unit (2)

54

12-2. Outdoor Unit

55

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Toshiba RAS-10SA-E What to be Prechecked First, Primary Judgement of Trouble Sources, Troubleshooting Flowcharts