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Solar Sensor: Testing and Inspection




SOLAR RADIATION SENSOR INSPECTION

1. Using a tester, connect the positive (+) lead to solar radiation sensor terminal A, the negative (-) lead to terminal B or C, then measure the resistance.

- If the resistance is not normal, replace the solar radiation sensor.

Resistance
- except infinite ohms

2. Block the light to the solar radiation sensor, connect the positive (+) lead of a tester to solar radiation sensor terminal B or C and negative (-) lead to terminal A, then measure the resistance.

- If the resistance is not normal, replace the solar radiation sensor.

Resistance
- infinite ohms (no continuity)

3. Expose the solar radiation sensor to natural sunlight.






4. Using a tester, connect the positive (+) lead to solar radiation sensor terminal B or C, the negative (-) lead to terminal A, then measure the resistance.

- If the resistance is not normal, replace the solar radiation sensor.

Resistance
- except infinite ohms

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