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EMMA-(A01, A02)
User Manual
Table 7-1 Maintenance checklist
Check Item
Device running
status
Electrical
connection
7.2 Alarm Reference
Alarm severities are defined as follows:
●
●
●
●
Issue 01 (2023-09-15)
Check Method
● Check whether the product is
damaged or deformed.
● Check whether the indicator status
is normal.
● Connect to the EMMA through the
app and check whether an alarm is
generated.
● Check whether cables are securely
connected.
● Check whether cables are damaged,
especially whether the cable sheath
that contacts a metal surface is
damaged.
Critical: Services are severely affected and corrective measures must be taken
immediately.
Major: Service quality is affected and corrective measures must be taken as
soon as possible.
Minor: Services suffer from minor impacts but to prevent more serious
impacts, corrective measures should be taken at a proper time or further
check is required.
Warning: Potential faults that may affect services are detected. Further check
or diagnosis is required before any corrective measures.
Copyright © Huawei Digital Power Technologies Co., Ltd.
7 Maintenance
Maintenance
Interval
Once every six
months
Six months after the
first commissioning
and then once a year
45
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