Huawei PDU8000 User Manual page 135

PDU8000 Modular Precision PDC
User Manual (FusionModule2000 V2.0)
Alarm
Name
Main input
undervoltag
e
Main input
overfrequen
cy
Main input
underfreque
ncy
Main input
overload
Max. main
input cur.
exceed
Min. main
input cur.
exceed
Main input
THD-u high
Issue 02 (2017-02-24)
Alarm
Impact
Severity
Critical Input
undervoltage:
Input voltage V <
0.85 x Rated
voltage (Multiple:
0.75–0.95;
confirmation
time: 2–10s).
Major The input
frequency is 1.5
Hz higher than
the configured
frequency. The
frequency setting
range is 50–60
Hz.
The input
Major
frequency is 1.5
Hz lower than the
configured
frequency. The
frequency setting
range is 50–60
Hz.
Critical A phase input
current of a route
exceeds 1 time of
the rated current
(multiple: 1–1.2;
confirmation
time: 1–10s).
Warning A phase input
current of a route
exceeds 0.8 time
of the rated
current (multiple:
0.8–1).
Warning A phase input
current of a route
is lower than 0.6
time of the rated
current (multiple:
0.6–0.8).
Warning System voltage
harmonic exceeds
10% (range:
1–30%).
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance Guide
Possible
Solutions
Cause
The input Check the input power.
power supply
is faulty.
The input Check the input power.
power supply
is faulty.
The input
Check the input power.
power supply
is faulty.
The system is Check all output load
overloaded. power.
The system is Check all output load
overloaded. power.
N/A N/A
The input Check the input power.
power supply
is faulty.
128