Huawei SUN2000-55KTL Series User Manual page 52

SUN2000-(55KTL, 60KTL) Series
User Manual
The DC voltage measurement range of the multimeter must be at least 1500 V.
Figure 5-17 Measuring voltage

If the voltage is a negative value, the DC input polarity is incorrect. Correct the polarity.

If the voltage is greater than 1500 V, too many PV modules configured to the same string.
Remove some PV modules.
Step 4 Pull out the blue dustproof plugs from the ends of the DC input connectors.
Before performing
Step 5 Insert the positive and negative connectors into the corresponding positive and negative DC
input terminals of the SUN2000 until they snap into place.
Issue 06 (2020-01-03)
Step 5, ensure that the two DC switches are OFF.
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5 Electrical Connections
46