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Sungrow SG33CX-P2 User Manual

Sungrow SG33CX-P2
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52
Step 5 Connect the positive probe of a multimeter to OUT+ of the optimizer, and the negative probe
of the multimeter to OUT- of the optimizer to check whether the optimizer is faulty. If the
measured output voltage is 1 V, no fault occurs to the optimizer.
1. Use a multimeter to measure the output voltage of each optimizer after wiring.
2. Considering the effect of the accuracy of the multimeter on the actual measure-
ment on site, the optimizer can function normally as long as the output voltage
falls in the range of 0.9V - 1.1V.
3. If the output voltage is less than 0.9 V, check the following items:
Check whether the sunlight is sufficient.
Check whether the input side of the optimizer is connected to the PV module.
If the fault is not caused by foregoing reasons and still persists, please replace
the optimizer.
4. If the output voltage is greater than 1.1 V, the optimizer fails. Please replace the
optimizer.
5. If no voltage is detected, replace the optimizer or component.
5 Electrical Connection User Manual

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Sungrow SG33CX-P2 Specifications

General IconGeneral
BrandSungrow
ModelSG33CX-P2
CategoryInverter
LanguageEnglish

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