Alarm Reference - Huawei LUNA2000-100KTL-M1 User Manual

LUNA2000-100KTL-M1 Smart Power Control System
User Manual
Alarm severities are defined as follows:
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Table 8-1 Common alarms and troubleshooting measures
Alarm Alarm
ID Name
2004 DC
Overvoltag
e
2005 DC in
Reverse
Polarity
Issue 02 (2023-01-10)
Major: The Smart PCS is faulty or the external environment is abnormal. As a
result, the output power decreases or the grid-tied power generation is
stopped.
Minor: Some components of the Smart PCS are faulty without affecting the
grid-tied power generation.
Warning: The Smart PCS works properly. The output power decreases or some
authorization functions fail due to external factors.
Severi Possible Cause
ty
Major Cause ID = 1
The DC bus voltage of the
device exceeds the upper
threshold.
Major Cause ID = 1
The DC bus of the device is
connected in reverse polarity.
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8

Alarm Reference

Suggestion
Turn off the AC switch and DC
switch, wait for 5 minutes, and
then turn on the AC switch and
DC switch. If the fault persists,
contact your dealer or
technical support.
Power off the device (turn off
the AC switch and DC switch,
and wait for a period specified
on the device safety warning
label), and then perform the
following operations:
Check whether the DC
terminals are connected in
reverse polarity. If yes, adjust
the DC polarities.
8 Alarm Reference
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