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TROUBLESHOOTING & WARRANTY
Troubleshoot your problem by using the chart below. If the air conditioner still does
not work properly, contact BLACK+DECKER customer service center or the nearest
authorized service center. Customers must never troubleshoot internal components.
TROUBLE
POSSIBLE CAUSE
POSSIBLE REMEDY
Unit does not start when
pressing ON/OFF button
A. The water tank may be full
if LED display indicates “E2”
in COOL or DEHUMIDIFY
mode, or “E4” in HEAT
mode.
A. Drain the water
B. Reset the temperature
Not cool enough
A. The windows or doors in the
room are not closed
B. There are heat sources
inside the room
C. Exhaust air duct is not
connected or blocked
D. Temperature setting is too
high
E. Air filter is blocked by dust
F. The unit will take approx 3
minutes of operation before
cooling/heating occurs.
A. Make sure all the
windows and doors are
closed
B. Remove the heat
sources if possible
C. Connect the duct
and make sure it can
function properly
D. Decrease the set
temperature
E. Clean the air filter
F. A mircoprocessor
control delays the
compressor from
operating until 3 mins
have passed.
Noisy or vibration
A. The surface is not level or
not flat enough
A. Place the unit on a flat,
level surface if possible
Unit does not run and
indicates “E2” in COOL
or DEHUMIDIFY mode, or
“E4” in HEAT mode.
A. The unit needs to be
drained.
A. Refer to water drainage
section.
LED display “E0” , “E1”,
“E3”
A. EO - Room temperature
sensor issue
B. E1- Condenser temperature
sensor
C. E3- Evaporator temperature
sensor
A. Contact the Customer
Satisfaction Center for
assistance with error
code.
Remote is not working
A. Nothing Appears on the LED
screen.
B. The temperature and
symbols appear on the LED
screen but the selection
cannot be changed.
A. Press the LED button
on the remote. If it does
not illuminate, change
batteries.
B. Make sure the remote
is being pointed at the
remote control receiver
on the unit within 23
feet away and that there
are no obstructions.
