Huawei LUNA2000-2.0MWH-1H0 - Alarm Reference; Alarm Severities; CMU Common Alarms and Troubleshooting

10 Alarm Reference
Alarm severities are dened as follows:
● Major: The equipment is faulty. As a result, the output power decreases or the
grid-tied power generation is stopped.
● Minor: Some components are faulty without aecting the grid-tied power
generation.
● Warning: The equipment works properly. The output power decreases or some
authorization functions fail due to external factors.
Table 10-1 CMU common alarms and troubleshooting measures
Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3800 Water
alarm
Major Cause ID=1
Water leaked into battery
compartment.
1. Check whether water leaks into the
container.
2. Check whether water leaks into the
battery compartment.
Cause ID=2
Water leaked into power
distribution compartment.
1. Check whether water leaks into the
container.
2. Check whether water leaks into the
power distribution compartment.
3801 Door
Status
Alarm
Warnin
g
Cause ID=1- 6
Battery compartment
doors 1-6 are open.
Cause ID=7
Power distribution
compartment door is
open.
-
3802 Fire
Alarm
Major Cause ID=1
Smoke or overheating
detected in battery
compartment.
Check whether smoke or re occurs in
the battery compartment of the
container. If yes, press the emergency
re protection start button. If not,
reset the system.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 134