Xtreme Power Conversion Corporation
NXTi 3P-3P User’s Manual
Page 35
Uninterruptible Power Supply
The warning code 02 is shown, the
icon flashes on LCD display, and
alarm beeps every second.
The input neutral wire is
disconnected.
Check and correct the input neutral con-
nection. If the connection is ok and the
alarm is still displaying, please refer to the
LCD setting section, to enter the neutral
loss check menu, to see if the parameter3
is “CHE”, if it is, please press the “Enter”
key firstly to make the “CHE” flash and
press the “Enter” key secondly to make the
UPS clear the alarm. If the warning still ex-
ists, please check input fuses of L2 and L3.
The L2 or L3 input fuse is
broken.
Replace the fuse.
Storage and Maintenance
Storage
Before storing, charge the UPS at least 7 hours. Store the UPS covered and upright in a cool, dry location. During
storage, recharge the battery in accordance with the following table:
Storage Temperature
Recharge Frequency
Charging Duration
-25°C - 40°C
Every 3 months
1-2 hours
40°C - 45°C
Every 2 months
1-2 hours
Maintenance
• The UPS system operates with hazardous voltages. Repairs may be carried out only by qualified mainte-
nance personnel.
• Even after the unit is disconnected from the mains, components inside the UPS system are still connected
to the battery packs which are potentially dangerous.
• Before carrying out any kind of service and/or maintenance, disconnect the batteries and verify that no
current is present and no hazardous voltage exists in the terminals of high capability capacitor such as
BUS-capacitors.
• Only persons are adequately familiar with batteries and with the required precautionary measures may
replace batteries and supervise operations. Unauthorized persons must be kept well away from the bat-
teries.
• Verify that no voltage between the battery terminals and the ground is present before maintenance or
repair. In this product, the battery circuit is not isolated from the input voltage. Hazardous voltages may
occur between the battery terminals and the ground.
• Batteries may cause electric shock and have a high short-circuit current. Please remove all wrist watches,
rings and other metal personal objects before maintenance or repair, and only use tools with insulated
grips and handles for maintaining or repairing.
• When replace the batteries, install the same number and same type of batteries.
• Do not attempt to dispose of batteries by burning them. This could cause battery explosion. The batteries
must be rightly deposed according to local regulation.
• Do not open or destroy batteries. Escaping electrolyte can cause injury to the skin and eyes. It may be
toxic.
• Please replace the fuse only with the same type and amperage in order to avoid fire hazards.
• Do not disassemble the UPS system.
