Huawei UPS2000-G-6KRTLL - Page 96

Alarm ID Alarm
Name
Severity Clearance
Condition
Trigger
Condition
Impact on
the System
Suggestion
80 Parallel
CAN signal
fault
Critical You need to
manually
rectify the
fault or
power o
and restart
the device.
CAN
communica
tion signals
are lost for
6s in a
parallel
system.
The system
shuts down
the inverter
and
transfers to
bypass
mode. If
other UPSs
in the
parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
● Possible
cause:
The
circuit is
faulty.
Measure:
Send the
device to
the
maintenanc
e center.
● Possible
cause:
The
parallel
cable is
disconne
cted.
Measure:
Check the
cable
connection.
81
Parallel UPS
host signal
fault
Critical You need to
manually
rectify the
fault or
power o
and restart
the device.
The UPS
host signal
is lost for
more than
60 ms in a
parallel
system.
The system
shuts down
the inverter
and
transfers to
bypass
mode. If
other UPSs
in the
parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
Possible
cause: The
circuit is
faulty.
Measure:
Send the
device to
the
maintenanc
e center.
UPS2000-G-6KRTLL
User Manual 4 Control Panel
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 90