Huawei UPS2000-G-6 kVA User Manual

UPS2000-G-(6 kVA-20 kVA)
User Manual
8 Troubleshooting
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
86
8 Troubleshooting
When a UPS is faulty, alarm information is displayed on the LCD. Critical alarms must be
processed before the UPS is powered on again. Otherwise, the fault may be extended, or the
UPS may be damaged.
Table 8-1 Solutions to common faults
No.
Symptom
Possible Cause
Measure
1
The mains switch is ON.
The LCD does not display
anything. The system
does not perform
self-tests.
The input power
supply is not
connected.
Check the input power cable
connection.
The input voltage
exceeds the limit.
Use a multimeter to check that the
UPS input voltage meets
specifications.
2
The mains is normal, but
the AC input indicator is
off. The UPS runs in
battery mode.
The mains switch
is OFF.
Turn on the mains switch.
The input power
cable is not
securely
connected.
Check the input power cable
connection.
3
The UPS does not report
faults, but has no output
voltage.
The output
power cable is
not securely
connected.
Check the output power cable
connection.
4
The UPS does not start
after you press .
is not
pressed long
enough.
Press for more than 5
seconds until you hear a beep
sound.
Overload occurs.
Disconnect all loads, and restart
the UPS.

Huawei UPS2000-G-6 kVA Specifications

General

Brand	Huawei
Model	UPS2000-G-6 kVA
Category	UPS
Language	English