– 121 –
0
10
20
30
40
50
10
20
30
40
（℃）
（kΩ）
0
[ 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) or "monitoring lamp"
(yellow) 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
mistor resistance
Thermistor temperature
Replace the "indoor electrical parts".
Summary of Contents for RAC-10SH3
Page 57: ... 55 MODEL RAC 18SH3 Unit mm 580 5 600 345 299 19 5 ...
Page 60: ... 8 5 WIRING DIAGRAM MODEL RAS 10SH3 3 H S 4 1 S A R 3 H S 8 1 S A R INDOOR UNIT ...
Page 62: ... 0 6 MODEL RAC 18SH3 OUTDOOR UNIT WHT YEL RED INDOOR UNIT ...
Page 64: ... 2 6 3 H S 8 1 S A R 3 H S 4 1 S A R 3 H S 0 1 S A R L E D O M ...
Page 150: ... 8 4 1 MODEL RAC 18SH3 ...
Page 153: ...HHAW NO 0060E RAS 10SH3 RAC 10SH3 RAS 14SH3 RAC 10SH3 RAS 18SH3 RAC 18SH3 ...
