Huawei UPSJZ-T Series - Page 65

Alarm ID Cause ID Name Severity Clearance
Mode
Trigger
Condition
Impact
on the
System
Solution
42 18 Internal
fault
Critical This
alarm
needs to
be
manually
cleared.
The bus
voltage is
lower
than 260
V.
If this
alarm is
generated
when the
UPS is
running,
the UPS
transfers
to bypass
mode.
● Possibl
e
cause:
The
hardw
are is
damag
ed.
Measu
re:
Contac
t your
dealer
or
technic
al
suppor
t.
● Possibl
e
cause:
The
input
voltage
is low.
Measu
re:
Rectify
the
fault
and
restart
the
UPS.
UPSJZ-T-(1 kVA–3 kVA)
User Manual 4 Control Panel
2022-08-15 60