Huawei UPS5000-H-1200 Series User Manual page 184

UPS5000-H-1200 kVA
User Manual (100 kVA Power Modules)
Alarm ID Alarm Name
(Alarm
ID-Cause
ID)
0102-1 Maint. breaker
misoperation
0380-1 In self-check
0309-1 rectifier power
limiting
Issue 01 (2020-07-15)
Severity Possible Cause
Critical The user
operation is
incorrect.
Warning The inverter
self-check is in
progress.
Warning  The current
limit
percentage
configured on
the LCD is
too small.
 The loads are
excessive.

Derating
reduces the
rated system
power.
 The module
is damaged.
Copyright © Huawei Technologies Co., Ltd.
Suggestion
1. Shut down the inverter and then turn on
the maintenance circuit breaker.
2. After the maintenance is complete, turn
off the maintenance circuit breaker and
then manually start the inverter.
Wait until the inverter self-check is
complete.
1. Check the current limit percentage
configured on the LCD.
2. Check that there is no overload.
3. Check that the module power is not
derated due to a fan fault.
4. Check that the power grid has no large
asymmetric load.
5. Check that the output is grounded.
6. If the alarm persists, replace the power
unit or module.
B Alarm List
176