Huawei UPS5000-S-600 kVA User Manual page 161

UPS5000-S-600 kVA
User Manual (Singapore, Three-phase, Three-wire)
Alarm ID Alarm Name
(Alarm ID-
Cause ID)
0026-1 Low battery
voltage
0530-1 Battery ground
fault
Issue 01 (2021-04-14)
Severity Cause
Minor ● Battery
● The battery
● The charger is
Critical ● The battery
● The battery
● The dry
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Solution
1. If the low battery voltage
discharge
results in low
battery
voltage.
neutral wire is 2. Check whether the battery
not installed
properly.
3. If this alarm is generated
faulty.
1. Check whether the positive
string is not
properly
grounded.
ground
monitoring 2. Check whether the battery
cable is faulty.
contact board
is faulty. 3. If no battery grounding
A Alarm List
alarm is generated in
battery mode, check
whether the mains voltage
recovers. If yes, charge
batteries immediately.
neutral wire is correctly
connected.
in normal mode, check
whether the battery switch
is ON. If yes, the charger
may be faulty. Replace the
related power module.
and negative terminals of
the battery string are
grounded or have
sufficient resistance to the
ground.
grounding failure detector
is faulty by replacing it
with a new one.
failure detector is
available, check on the dry
contact board whether the
battery grounding failure
detector is enabled. If yes,
disable it and check
whether the alarm is
cleared. If the alarm
persists, the dry contact
board may be faulty.
Replace the board.
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