13ー17
[ Situation ] The compressor will not run (the same state as the thermometer turned off), the product receives remote control
signals normally. The self-diagnosis lamp (LD301) of the outdoor unit blinks once or becomes turned off.
[ Estimated failure locations ]
Room temperature thermistor, heat exchanger thermistor
Microcomputer peripheral circuit
[ Diagnosis flow ]
Initiating troubleshooting
3. Failure phenomenon: The compressor will not run.
Is the "timer lamp" (orange) of the indoor unit
blinking?
Yes
Yes
Yes
No
No
No
Check for failures according to the self-
diagnosis display.
Did the self-diagnosis lamp (LD301) of the outdoor
unit blink once or become turned off?
Check for failures according to the self-
diagnosis display.
Remove the connector (CN4) of the room
temperature thermistor and heat exchanger
thermistor and measure the thermistor resistance.
Did the reading roughly agree with the resistance
values indicated in the right-hand figure?
Replace the "room temperature and heat
exchanger thermistors".
Thermistor characteristics (resistance)
Ther
m
istor resistance
Thermistor temperature
Replace the "indoor electrical parts".
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Содержание RAC-25FXB
Страница 38: ...RAC 25 35FXB MODEL 6ー2 ...
Страница 39: ...RAC 50FXB MODEL 6ー3 ...
Страница 65: ...11ー6 10 10 10 10 10 R901 R904 R641 R907 R908 R694 R902 R695 R741 R740 R642 DSW1 DSW1 R903 R905 R906 ...
Страница 68: ...11ー9 L N 300 330 A B Main parts C021 C023 500 450V RAC 25 35FXB MODEL ...
Страница 72: ...11ー13 5 5 1 10 11 12 74 74 70 70 74 75 5 1 HIC P W B 74 70 75 ...
Страница 74: ...11ー15 2A Fuse DC300 330V 7 7 1 ...
Страница 75: ...11ー16 2A DC300 330V ...
Страница 76: ...11ー17 L N 300 330 A B MODEL RAC 50FXB ...
Страница 77: ...11ー18 300 330 C021 C023 500 450V 16V R249 33 ACT IP CUT 30 ...
Страница 81: ...11ー22 5 5 1 74 74 70 70 74 75 5 1 HIC P W B 40 41 42 74 70 75 ...
Страница 83: ...11ー24 2A Fuse DC300 330V 7 1 7 ...
Страница 84: ...11ー25 2A DC300 330V ...
Страница 94: ...13ー7 91 ...
Страница 95: ...13ー8 IC531 IC531 IC531 ...
Страница 96: ...13ー9 SELF DIAGNOSIS LIGHTING MODE RAC 25 35FXB MODEL ...
Страница 97: ...13ー10 SELF DIAGNOSIS LIGHTING MODE RAC 50FXB MODEL ...
Страница 119: ...14ー1 40 ...
Страница 120: ...14ー2 Please set the DIP switch No 6 to ON accordingly Refer to page 59 ...
Страница 121: ...14ー3 59 ...
Страница 122: ...14ー4 ...
Страница 131: ...Printed in Japan HRT TC NO 0842E RAF 25RXB RAC 25FXB RAF 35RXB RAC 35FXB RAF 50RXB RAC 50FXB ...