Maruson Technology Corporation
4
ULTIMA SERIES 1K-3KVA | 2012 Jan.
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Caution - risk of electric shock. The battery circuit is not isolated from the input
voltage. Hazardous voltages may occur between the battery terminals and the
ground. Before touching, please verify that no voltage is present!
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Batteries may cause electric shock and have a high short-circuit current. Please take
the precautionary measures specified below and any other measures necessary when
working with batteries:
Remove wristwatches, rings, and other metal objects
Use only tools with insulated grips and handles.
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When changing batteries, install the same number and same type of batteries.
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Do not attempt to dispose of batteries by burning them. This could cause battery
explosion.
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Do not open or destroy batteries. Escaping electrolyte can cause serious injury to the
skin and eyes and may be toxic.
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Please replace the fuse only with the same type and amperage in order to avoid fire
hazards.
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Do not dismantle the UPS system.
Maruson Technology Corporation
15
ULTIMA SERIES 1K-3KVA | 2012 Jan.
Symptom
Possible Cause
Remedy
Fault code is shown as 1, 2, 3, 4,
11, 12, 13 and 41 on LCD display
and alarm is continuously
sounding.
A UPS internal fault has
occurred. There are two
possible causes:
1. The load is still supplied,
but directly from AC power
via bypass.
2. The load is no longer
supplied by power.
Contact your dealer.
Batteries are not fully
charged
Charge the batteries for at
least 5 hours and then
check capacity. If the
problem still persists,
consult your dealer.
Battery backup time is shorter
than nominal value
Batteries defect
Contact your dealer to
replace the battery.
