Microdowell
Uninterruptible Power Supply
Problem
The UPS does not
perform expected
runtime.
The UPS will not turn on.
Outlets do not provide
power to equipment
TROUBLESHOOTING
Possible Cause
Batteries are not fully
charged.
Battery is slightly worn out.
The on/off switch is
designed to prevent damage
by rapidly turning it off and
on.
The unit is not connected to
an AC outlet.
The battery is worn out.
Mechanical problem.
Fuse is blown due to
overload
Batteries are discharged
Unit has been damaged by a
surge or spike.
- 7 -
Solution
Recharge the battery by leaving the
UPS plugged in.
Contact Microdowell at
service@microdowell.net
Turn the UPS off. Wait 10 seconds
and then turn the UPS on.
The unit must be connected to a
208/220/230/240 Vac 50Hz outlet.
Contact Microdowell at
service@microdowell.net
Contact Microdowell at
service@microdowell.net
Turn the UPS off and unplug at least
one piece of equipment. Replace the
blown fuse with a spare one and then
turn the UPS on.
Allow the unit to recharge for at least
4 hours.
Contact Microdowell at
service@microdowell.net
LP500