Huawei iSitePower-M MAP05A1 - Troubleshooting

Check Item Check Method Maintenance
Interval
System
running status
● Check that the product is not
damaged or deformed.
● Check that the product does not
generate abnormal sound when it is
operating.
● Check that the parameters are
correctly set when the system is
running.
Once every 6
months
Electrical
connections
● Check that cables are secured.
● Check that the cables are intact,
especially that the parts touching
the metallic surface are not
scratched.
● Check that the unused PV input
terminals, communications
terminals, and waterproof glands
are locked.
6 months after the
rst commissioning
and once every 6 to
12 months after that
Grounding
reliability
Check that PE cables are securely
connected.
6 months after the
rst commissioning
and once every 6 to
12 months after that
12.3 Troubleshooting
Alarm severities are
dened as follows:
● Major: The system shuts down or some functions are abnormal due to a fault.
● Minor: Some components of the system are faulty but the system can still
operate.
● Warning: The system works properly. The output power decreases or some
authorization functions fail due to external factors.
Table 12-2 Common alarms and troubleshooting measures
Module
Alarm Name Alarm
Severity
Causes Suggestion
Controller SMU Fault Major The internal
hardware of
the monitoring
module is
faulty, and
sampling is
abnormal.
Contact technical support to
determine the alarm cause.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 12 System Maintenance
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 173