Ups5000-E Alarms - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide

5.15 UPS5000-E Alarms

Fault
Category
UPS5000-
E alarms
Issue 02 (2017-01-10)
Alar Symptom
m
Sever
ity
Major The rectifier cannot
work, and the bus
voltage is not
boosted.
Major The buzzer buzzes,
the Fault indicator is
on, the inverter is
faulty, and the UPS
transfers to bypass
mode.
Major When the mains is
normal, the UPS
works in bypass
mode and does not
transfer to inverter
mode.
For other UPS5000-E alarms, see documents delivered with the product.
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Possible Troubleshooting
Cause
The mains Check whether the mains
voltage exceeds voltage exceeds the
the upper thresholds. If yes,
threshold 278 V contact the electric
or is less than power company.
the lower
threshold 80 V.
PFC soft-startup Contact Huawei
fails. technical support.
The power
module is
faulty.
Output overload Reduce loads or
or short-circuit troubleshoot the
exists. short-circuited load.
The UPS5000-E Install more air
inverter conditioners or
temperature ventilation devices to
exceeds the ensure normal
upper threshold. temperatures inside the
equipment room.
The power Contact Huawei
module is technical support.
faulty.
The UPS is set Set the UPS working
to ECO mode. mode correctly.
The number of Reset the bypass transfer
bypass transfer times on the LCD.
times reaches
the upper
threshold.
5 Alarms and Faults
68