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Alarm
ID-
Cause
ID
Alarm
Name
Alarm
Severit
y
Alarm
Clearan
ce
Mode
Impact on the System
Handling Suggestion
0040-07 Rectifier
fault
Critical
Automa
tic
The UPS shuts down.
The UPS transfers to another
working mode or shuts
down.
The charger stops working.
Possible causes:
● The ambient
temperature exceeds
40°C.
● The air channel is
blocked.
● The air filter is
blocked by dust.
● The fan is abnormal.
Measures:
● Decrease the
ambient
temperature.
● Keep the air intake
and exhaust vents of
the UPS
unobstructed.
● Clean or replace the
air filter.
● Clean off the foreign
objects around the
fan. If the alarm
persists, contact
Huawei technical
support for repair.
0040-09 Rectifier
fault
Critical
Power-
off
The rectifier transfers to
battery mode, which does
not affect the system power
supply.
If no battery is installed, the
UPS shuts down.
The UPS may transfer to
another working mode or
shut down.
Possible cause: The
rectifier is faulty.
Measure: Contact
Huawei technical
support for repair.
UPS2000-G- (6 kVA-20 kVA)
User Manual
D Alarm Handling
Issue 18 (2021-07-16)
Copyright © Huawei Technologies Co., Ltd.
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