Huawei UPS2000-G-15KRTL User Manual

8 Troubleshooting
CA UTION
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 specications.
2 The mains is normal,
but the AC input
indicator is o. 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.
UPS2000-G- (6 kVA-20 kVA)
User Manual 8 Troubleshooting
Issue 18 (2021-07-16) Copyright © Huawei Technologies Co., Ltd. 110

Huawei UPS2000-G-15KRTL Specifications

General

Brand	Huawei
Model	UPS2000-G-15KRTL
Category	UPS
Language	English