Huawei FusionModule5000 Maintenance Manual page 71

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
Alar
m
ID
(Ala
rm
ID-
Cau
se
ID)
-7
0564
-1
0565
-1
Issue 01 (2019-03-05)
Alarm Sever System Action
Name ity
r alarm shuts down the
module.
2. If only one
module is
working, or the
system will be
overloaded after
the module
shuts down, the
system will
transfer to
bypass mode or
shut down
based on logic.
The system
automatically
starts after the
fault is rectified.
1. If the bypass
Overlo Critic
can supply
ad al
power, the
timeout
system transfers
to bypass mode.
Five minutes
later, the system
automatically
switches back to
inverter mode.
2. If the bypass
cannot supply
power, the
system transfers
to no output
mode, but not
automatically
switches back to
inverter mode.
Load Minor The system
impact transfers to bypass
transfer mode and
-to-byp automatically
ass switches back to
inverter mode 4
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Cause Solution
waveform is
abnormal.
2. If all modules
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 load.
 A large-power
RCD load is 2. If the load is
instantly
connected, or
the output load
3 Alarm Reference
modules
generate the
alarm, start the
UPS and transfer
it to normal
mode and
replace the
faulty module.
generate the
alarm, open the
bypass input
circuit breaker.
After the
inverter relay is
closed, close the
bypass input
circuit breaker
10 seconds later.
is no overload.
module power is
not derated due
to a fan fault.
persists, replace
the power
module.
normal, replace
the power
module.
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