Njoy Ranger 60KR User Manual page 45

The warning code 02 and
the icon flash on LCD
display. The alarm beeps
every second.
5 Storage and Maintenance
5.1 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
-25°C - 40°C
40°C - 45°C
5.2 Maintenance
The UPS system operates with hazardous voltages. Repairs may be
carried out only by qualified maintenance 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.
The input neutral wire
is disconnected.
The L2 or L3 input fuse
is broken.
Recharge Frequency
Every 3 months
Every 2 months
Check and correct
the input neutral
connection. If
connection is ok and
the warning is
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
"Enter" key secondly to
make the UPS clear the
alarm. If the warning
still exists, please check
input fuses of L2 and L3.
Replace the fuse.
Charging Duration
1-2 hours
1-2 hours
45
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