8.6 Loading the DC Switch
The DC switches can turn o automatically in the case of internal failures of inverters.
Prerequisites
If internal inverter fault is displayed on the mobile app or remote monitoring
system and the DC switch is OFF, the DC switch of the inverter has been
automatically turned
o. In this case, rectify the fault based on the alarm
handling suggestions before turning on the DC switch.
Procedure
Step 1 Loosen the nuts on the RESET buttons under the three DC switches.
Step 2 Press the RESET buttons until it cannot go further, and then tighten the nuts of
the RESET buttons.
Figure 8-18 Loading the DC switch (DC SWITCH 1 is used as an example)
----End
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 8 Maintenance
Issue 11 (2021-11-10) Copyright © Huawei Technologies Co., Ltd. 127
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