Huawei FusionModule500 User Manual page 166

FusionModule500 Smart Mini Data Center
User Manual (ECC800e)
Alarm
alarm
(Reason
2)
Paral.
cable
alarm
(Reason
3)
EPO
BPS trans.
overlimit
Redundan
cy failure
Abnormal
ECO volt.
Comm.
failed.
Incon.
paral.
param.
Ambient
overtempe
rature
Ambient
Issue 07 (2019-12-20)
Severity Possible Cause
damaged.
Minor
Critical The EPO button is pressed.
Minor The output transfer times
within 30 minutes exceed the
configured value (3 by
default).
1. The configured number of
Minor
redundant UPSs exceeds
the maximum allowed
value.
2. The load exceeds the rated
loading capacity of the
requisite UPSs in the
parallel system.
Minor The ECO input is abnormal.
1. The communications cable
Critical
is faulty.
2. An internal fault occurs in
the UPS.
The parallel parameters are not
Critical
set consistently on the UPSs.
1. The ambient temperature in
Minor
the UPS equipment room
exceeds the alarm threshold
(default value: 40° C).
2. The T/H transducer is
faulty.
1. The ambient temperature in
Minor
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Solution
connected.
2. Replace the parallel cable.
3. Contact Huawei technical
support for repair.
Restore the EPO button status.
Start the UPS after the alarm is
cleared.
Restart the UPS after the alarm
is cleared.
1. Reduce the number of
redundant UPSs or set the
system to be
non-redundant.
2. Reduce the load or replace
the UPS with a
large-capacity UPS.
Check whether the ECO input
voltage or frequency exceeds
the configured range. If yes,
change the range or wait until
the bypass input recovers.
1. Check the communications
cable.
2. Contact Huawei technical
support for repair.
Set the parallel parameters
consistently, or perform
parallel parameter
synchronization.
NOTE
If the alarm still persists after you
perform the operation above,
contact Huawei technical support.
1. Check the ambient
temperature in the UPS
equipment room.
2. Replace the T/H
transducer.
1. Check the ambient
157