C Alarm Handling - Huawei UPS2000-G-3KRTL-V2 User Manual

UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
Alarm ID Alarm
(Alarm Name
ID-Alarm
Cause)
Abnormal
0001-01
mains volt.
0001-02 Abnormal
mains volt.
Abnormal
0001-03
mains volt.
0004-01 Mains phase
reverse
Issue 07 (2019-12-19)
Alarm Alarm Clear
Level Mode
Minor Automatic clear
Minor
Minor
Minor Automatic clear
Copyright © Huawei Technologies Co., Ltd.
C
Alarm Handling
Impact on the
System
 The UPS
transfers to
battery mode.
 If no battery
is equipped,
the UPS shuts
down.
 The rectifier
transfers to
battery mode,
without
affecting the
power supply.
 If no batteries
are installed,
the UPS shuts

C Alarm Handling

Repair Proposal
Possible causes:
 The mains voltage
exceeds 280 V.

The mains voltage is less
than 80 V.
 The mains frequency is
not in the range of 40 Hz
to 70 Hz.
Measures:
 Check whether the mains
input voltage is less than
272 V. If not, wait until
the mains recovers.
 Check whether the mains
input voltage is greater
than 88 V. If not, wait
until the mains recovers.

Check the mains input
frequency. If the mains
input frequency is
abnormal, wait until the
mains input recovers.
Possible cause: The mains
input three-phase sequence is
incorrect.
Measure: Check that mains
input power cables are
correctly connected.
120