Huawei FusionModule5000 Maintenance Manual page 72

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
Alar
m
ID
(Ala
rm
ID-
Cau
se
ID)
0566
-1
0570
-4
0085
-1
0086
-1
0087
-1
Issue 01 (2019-03-05)
Alarm Sever System Action
Name ity
seconds later.
Output Minor If the overload
overloa expires, the system
d transfers to bypass
or no output mode.
1. The system
BPM Critic
cannot transfer
module al
to bypass mode.
abnorm
al 2. The system
transfers to a
working mode
based on the
current power
supply status
and logic.
EPO Critic The system shuts
al down.
Max. Minor The system stays in
number bypass mode and
of cannot transfer to
BPM inverter mode.
transfer
s
System Warni The system
transfer ng transfers to bypass
-to-byp mode.
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Cause Solution
short-circuits.
 The inverter
bridge
short-circuits.
1. Check that there
 The load is
excessive.
2. Check that the
 Derating
reduces the
rated system
power.
3. If the alarm
 The module is
damaged.
1. Check the
 The bypass
fan is
abnormal, or
the air channel
is blocked.
2. Check that the

The ambient
temperature
exceeds the
upper
3. Check that there
threshold.
 The load is
excessive.
The EPO button Restore the EPO
is pressed. button status. Start
the UPS after the
alarm is cleared.
The system Check the load.
frequently
transfers to
bypass mode due
to overload
timeout or load
impact.
The neighboring Check the reason
UPS is abnormal why the
and transfers to neighboring UPS
3 Alarm Reference
is no overload.
module power is
not derated due
to a fan fault.
persists, replace
the power
module.
bypass fan and
air channel. If
the fan is faulty,
replace it.
ambient
temperature is
within 40° C.
is no overload.
64