Huawei UPS2000-A-1KTTL User Manual

5.7 Alarm Handing
NO TE
When an alarm can be manually cleared, hold down the OFF/ENTER button for more than 2
seconds to manually clear the alarm.
Table 5-6 Alarms
Alar
m ID
Caus
e ID
Nam
e
Seve
rity
Clear
ance
Mod
e
Trigger
Condition
Impact on the
System
Solution
10 1 Bypa
ss
volta
ge
abno
rmal
Mino
r
This
alarm
is
auto
matic
ally
cleare
d.
The bypass
voltage is
beyond the
allowed
range (170–
264 V).
The UPS remains
in the current
state. If the UPS
works in bypass
mode, it
transfers to
standby mode
and has no
output.
Possible cause: The
bypass input voltage is
out of the specied
range.
Measure: Check
whether the bypass
input voltage is out of
the specied range. If
yes, change the bypass
voltage range or wait
until the bypass input
voltage recovers.
10 2 Bypa
ss
frequ
ency
abno
rmal
Mino
r
This
alarm
is
auto
matic
ally
cleare
d.
The bypass
frequency is
out of the
bypass
frequency
range 47–53
Hz (rated
frequency: 50
Hz) or 57–63
Hz (rated
frequency: 60
Hz).
The UPS remains
in the original
working state. If
the UPS is in
bypass mode, it
transfers to
standby mode
and supplies no
power.
Possible cause: The
bypass frequency is out
of the specied range.
Measure: Check the
bypass input frequency.
If the frequency is out
of the normal range,
wait for the mains
input to recover.
UPS2000-A-(1 kVA-3 kVA)
User Manual 5 Setting Control Panel
Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 60

Huawei UPS2000-A-1KTTL Specifications

General

Brand	Huawei
Model	UPS2000-A-1KTTL
Category	UPS
Language	English