14 • ENGLISH
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
No power, no indicator.
Battery is defective Replace battery
Blown fuse Check and replace fuse
Lose cable connections
Check the connection to the battery.
Tighten as required.
The red LED indicator illuminates.
AC products connected are rated at
more than 750W; overload shutdown
has occurred.
Reduce load, use a product with
power rating less than 750W.
AC products are rated less than
750W, but high starting surge has
caused overload shutdown.
Use a product with starting surge
power within the inverter’s capability
(≤1500W).
The voltage input is too low (alarm is
sounding).
charge the battery
Inverter is overheated due to poor
ventilation and has shut down.
Unplug inverter from DC socket and
allow to be cooled for 15 minutes.
Remove objects covering unit. Move
the inverter to a cooler place. Reduce
load if continuous operation is
required. Restart.
Inverter runs small loads but
not large loads
Low voltage battery Charge the battery
Water entered Water entered the unit
Disconnect the inverter and wipe
immediately with a dry cloth, or
permanent damage can occur with
liquid ingress.
Alarm is sounding
Low voltage shutdown or thermal
shutdown has occurred.
Shorten cables or use heavier cables.
Recharge battery. Allow unit to cool.
Improve air circulation around unit.
Locate unit to a cooler environment.
Reduce load if continuous operation
is required.
Measured inverter output
is too low
Standard “average-reading” AC
voltmeter used to measure output
voltage, resulting in an apparent
reading 5 to 15V too low.
Inverter’s “modified sine wave” output
requires “true RMS” voltmeter for
accurate measurements.
Battery voltage is too low Recharge battery
Battery run time is less than expected
AC product power consumption is
higher than rated.
Use a larger battery to make up for
increased power requirement.
Battery is old or properly defective. Replace battery
Battery is not being properly charged.
Some chargers are not able to fully
recharge a battery. Make sure you
use a powerful charger.
Power dissipation in DC cables. Use shorter/heavier DC cables
SERVICE INFORMATION
BLACK+DECKER offers a full network of company-owned and authorized service locations. All BLACK+DECKER
Service Centers are staffed with trained personnel to provide customers with efficient and reliable power tool service.
For more information about our authorized service centers and if you need technical advice, repair, or genuine factory
replacement parts, contact the BLACK+DECKER location nearest you, or visit us at www.BlackandDecker-la.com
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