FusionModule800 Smart Small Data Center
Maintenance Guide
4 Troubleshooting
Issue 02 (2016-11-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
20
Symptom
Possible Cause
Measure
The system does not
perform self-tests.
The input voltage is less
than the lower threshold or
greater than the upper
threshold.
Use a voltmeter to check
that the UPS input voltage
meets specifications.
The mains is normal, but the
AC input indicator is off.
The UPS works in battery
mode.
The mains switch is OFF.
Turn on the mains switch.
The input power cable is not
securely connected.
Check the UPS input power
cable connection.
The UPS fails to
communicate.
The UPS
communications cable is
not securely connected.
The UPS parallel cable is
not securely connected.
The UPS is deleted on
the ECC800 WebUI.
Reconnect the UPS
communications cable.
Reconnect the UPS
parallel cable.
Remove the Modbus
card from the UPS, and
reinstall it in the
corresponding slot in the
UPS. Add the UPS on
the ECC800 WebUI.
The UPS does not report
faults, but has no output
voltage.
The output power cable is
not securely connected.
Check the output power
cable connection.
The UPS does not start after
you press
.
is not pressed long
enough.
Press
for more than 5
seconds until you hear a
beep sound.
The UPS is overloaded.
Shut down all loads, and
restart the UPS.
The mains indicator is off.
The mains voltage or
frequency exceeds the UPS
input range.
Use a multimeter to verify
that the input voltage and
frequency meet
specifications.
The battery discharge time
is obviously less than the
standard time.
Batteries are not fully
charged.
Charge batteries for more
than 8 hours when the mains
is normal. Test the discharge
time again.
The battery performance
deteriorates.
Contact your local Huawei
technical support to replace
batteries.
Abnormal noise or smell is
generated in the UPS
cabinet.
The UPS is faulty.
Shut down the UPS and cut
off the power input
immediately. Contact your
local Huawei technical
support.