Huawei SmartLogger 3000 - 1143 The System-To-Ground Insulation Capability of the System Has Decreased

39 1143 The system-to-ground
insulation capability of the system has
decreased
Alarm Attribute
Alarm ID Alarm Name Alarm Severity
1143 The system-to-ground
insulation capability of
the system has
decreased.
Major
Possible Cause
Cause ID
Possible Cause
1 The system-to-ground insulation
capability of the system has decreased.
Suggestion
1. Check the display of the IMD and determine the insulation resistance of the
ESS based on the IMD user manual.
2. Turn o the switch on the AC side, test the insulation resistance on the AC
and DC sides, and locate the cause of abnormal insulation resistance.
SmartLogger3000
Alarm Reference
39 1143 The system-to-ground insulation capability
of the system has decreased
Issue 01 (2023-09-15) Copyright © Huawei Technologies Co., Ltd. 42