59
12-5. Flap Motor Does Not Work
12-5-1. Louver Motor Defective
➀
Set to cooling operation with flap to oscillate (movie) using remote controller and measure voltage applied to
the louver motor at FLAP terminal of 5P connector.
In case of abnormality
➞
Replace indoor unit PCB.
No abnormalities, proceed to check
➁
.
*
Use a circuit tester (set to DC range).
Normal
Color
Output Voltage
WHT and each BLU wire DC 1 – 12 V (pulse)
*
Use a circuit tester (set to
Ω
range).
Normal
Color
Resistance
WHT and each BLU wire
300 – 450
Ω
➁
Disconnect FLAP of 5P connector for louver motor and measure resistance.
In case of abnormality
➞
Replace louver motor.
No abnormalities, check if there is physical or mechanical interference to louver movement.
12-6. Heating Operation Not Possible
12-6-1. Thermistor 1 Defective
Failure Display on Outdoor Unit PCB:
●
● ●
●
● ●
Check Thermistor 1 (CN15).
➀
Disconnect Thermistor 1 connector (3P, BLK) from outdoor unit PCB, and measure resistance on Thermistor 1
side.
In case of abnormality
➞
Replace Thermistor 1.
Temperature
Resistance
Normal
68°F (20°C)
6.0 – 7.1 k
Ω
86°F (30°C)
4.0 – 5.0 k
Ω
140°F (60°C)
1.5 – 1.7 k
Ω
Temperature
Resistance
Normal
68°F (20°C)
6.0 – 7.1 k
Ω
86°F (30°C)
4.0 – 5.0 k
Ω
140°F (60°C)
1.5 – 1.7 k
Ω
12-6-2. Thermistor 2 Defective
Failure Display on Outdoor Unit PCB:
●
●
●
●
● ●
●
Check Thermistor 2 (CN16).
➀
Remove Thermistor 2 connector (3P, RED) from the outdoor unit PCB, and measure resistance on the
Thermistor 2 side.
In case of abnormality
➞
Replace Thermistor 2.
Содержание CG1411
Страница 73: ...1 INSTRUCTION MANUAL KGS 1411 CG1411 APPENDIX ...