12-5. Flap Motor Does Not Work

12-5-1. Louver Motor Defective

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.

Normal

Color

Output Voltage

WHT and each BLU wire

DC 1 – 12 V (pulse)

 

 

*Use a circuit tester (set to DC range).

In case of abnormality Replace indoor unit PCB.

No abnormalities, proceed to check .

Disconnect FLAP of 5P connector for louver motor and measure resistance.

Normal

Color

Resistance

WHT and each BLU wire

300 – 450 Ω

 

 

* Use a circuit tester (set to Ω range).

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).

Disconnect Thermistor 1 connector (3P, BLK) from outdoor unit PCB, and measure resistance on Thermistor 1 side.

Normal

Temperature

Resistance

68°F (20°C)

6.0 – 7.1 kΩ

 

 

86°F (30°C)

4.0 – 5.0 kΩ

 

 

140°F (60°C)

1.5 – 1.7 kΩ

 

 

In case of abnormality Replace Thermistor 1.

12-6-2. Thermistor 2 Defective

Failure Display on Outdoor Unit PCB: ● ● ● ●

Check Thermistor 2 (CN16).

Remove Thermistor 2 connector (3P, RED) from the outdoor unit PCB, and measure resistance on the Thermistor 2 side.

Normal

Temperature

Resistance

68°F (20°C)

6.0 – 7.1 kΩ

 

 

86°F (30°C)

4.0 – 5.0 kΩ

 

 

140°F (60°C)

1.5 – 1.7 kΩ

 

 

In case of abnormality Replace Thermistor 2.

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Sanyo KGS1411 Flap Motor Does Not Work, Heating Operation Not Possible, Louver Motor Defective, Thermistor 1 Defective

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