Huawei JUPITER-3000K-H1 Smart User Manual page 149

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Alar Alarm
m ID Name
2370 Auxiliary
Loop SPD
Fault
2371 EPO
2372 UPS-
associated
Alarm
2373 UPS AC
Power
Failure
2374 Northboun
d
Communica
tion
Certificate
Invalid
2375 Northboun
d
Communica
tion
Certificate
About to
Expire
Issue 02 (2023-09-30)
Alarm Possible Cause
Severity
Warning The SPD takes an
action.
Major The EPO button is
pressed.
Major The UPS is faulty.
Major 1. The mains power
fails.
2. The AC input circuit
breaker is OFF.
Warning The digital signature
certificate for
northbound
communication is
invalid.
Warning The digital signature
certificate for
northbound
communication is
about to expire.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Suggestion
1. Check whether the SPD takes an
action or is faulty. If yes,
disconnect the power supply and
replace the SPD.
2. If the fault persists, contact your
dealer or technical support.
1. Repair the STS onsite and check
whether the fault is rectified. If
yes, reset the EPO button.
2. If the fault persists, contact your
dealer or technical support.
1. For details about how to handle
alarms, see the UPS user manual.
2. If the fault persists, contact your
dealer or technical support.
1. Measure the AC input voltage. If
the voltage is abnormal, rectify
the power grid fault.
2. Check whether the AC input
circuit breaker is OFF. If yes, rectify
the downstream circuit fault and
switch on the circuit breaker.
3. Check whether the AC input
power cable is loose. If yes, secure
the cable.
4. If the fault persists, contact your
dealer or technical support.
1. Check the time or replace the
digital signature certificate.
2. If the fault persists, contact your
dealer or technical support.
1. Replace the digital signature
certificate in time.
2. If the fault persists, contact your
dealer or technical support.
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