Troubleshooting - Njoy Echo Pro Series User Manual

Troubleshooting

6
Problem Possible Cause
Warning
Your equipment requires
more power than the UPS
can provide. If the UPS is
O/P Overload in Line Mode then it will
transfer to Bypass Mode;
if the UPS is in Battery
Mode it will shut down.
UPS is operating on
Battery Mode
battery power.
UPS is operating on
battery power and will be
Battery Low shutting down soon due
to extremely low battery
voltage.
Missing battery power.
BAT
Disconnected/
Battery Replace
UPS has failed in Battery
Test.
Charger Failure Charger has failed.
Missing the EPO
EPO OFF
connection.
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Solution
Shut off non-essential
equipment. If this solves
the overload problem,
the UPS will transfer to
normal operation.
Save your data and
perform a controlled-
shutdown.
UPS will restart
automatically when
acceptable utility power
returns.
Check battery connector
when use battery
packages.
Contact technical
support to replace the
battery.
1. Shut down UPS and
turn off AC input.
2. Contact your dealer
for repair.
Check the EPO
connection.
Fault
Over High ambient
Temperature temperature.
Output Short Output short circuit.
Output voltage is too
High O/P V
high.
Low O/P V Output voltage is too low.
Internal DC bus voltage is
Bus Fault
too high or too low.
Other
High temperature, or fan
Startup fail fail, or battery low, or
EPO off.
1. Shut down UPS.
Restart UPS to Check
the fan for operation
and if the ventilation
hole has been covered
2. Contact your dealer
for repair.
1. Shut down UPS
2. Your attached
equipment may have
problems, please
remove them and
check again.
1. Shut down UPS
2. Contact your dealer
for repair.
1. Restart UPS and press
the "ESC" button to
view the warning
event. Then refer to
the solution for the
warning.
2. Contact your dealer
for repair.
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