Huawei UPS5000-A-500 kVA User Manual page 181

UPS5000-A-500 kVA
User Manual (e-shelter)
Alarm ID Alarm Name
(Alarm ID-
Cause ID)
0040-7 Rectifier
abnormal
0043-1 Fan abnormal
0047-1 Not ready
0060-4 Inverter
abnormal
0061-2 Inverter alarm
0061-7 Inverter alarm
0564-1 Overload
timeout
Issue 02 (2020-01-10)
Severity Cause
Critical  The fan for the power
unit is not functioning
properly.
 The air channel for the
power unit is
obstructed.
Critical  The fan for the power
unit is abnormal.
 The fan monitoring
cable for the power unit
is not working properly.
Critical The ready switch is OFF.
Critical  A load short-circuit
occurs.
 A short circuit occurs
inside the unit. (This
fault seldom occurs.)
Minor  The I2C bus is not
normal.
 The E2PROM is faulty.
Minor The bypass waveform is
not normal.
Critical  The load is excessive.
 Derating reduces the
rated system power.
 The unit is damaged.
Copyright © Huawei Technologies Co., Ltd.
A Alarm List
Solution
an alarm. If yes, replace
the faulty unit.
1. Check that the air channel
for the unit is free from
blockage.
2. Check whether the fans
are functioning properly.
Replace the power unit if
the fans are faulty.
Replace the faulty power
unit.
Close the ready switch.
1. Check load cable
distributions.
2. If load cable distributions
are normal, replace the
power unit.
1. Rectify the fault and
check whether the alarm
is cleared.
2. If the alarm is generated
again, replace the power
unit.
 If not all units generate
the alarm, start the UPS,
transfer it to normal mode
and replace the faulty
unit.
 If all units generate the
alarm, open the bypass
input circuit breaker.
After the inverter relay is
closed, close the bypass
input circuit breaker 10
seconds later.
1. Check that there is no
overload.
2. Check that the unit power
is not derated due to a fan
fault.
3. If the alarm persists,
replace the power unit.
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