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COMPLAINT CAUSE SOLUTION
Unit does not operate.
● The unit is turned to the off position,
or the thermostat is satisfied.
● Turn the unit to the on position and raise or
lower temperature setting (as appropriate) to
call for operation.
● The LCDI power cord is unplugged. ● Plug into a properly grounded 3 prong
receptacle. See “Electrical Rating Tables” on
pg. 6 for the proper receptacle type for your
unit.
● The LCDI power cord has tripped
(Reset button has popped out).
● Press and release RESET (listen for click;
Reset button latches and remains in) to resume
operation.
● The circuit breaker has tripped or
the supply circuit fuse has blown.
● Reset the circuit breaker, or replace the fuse as
applicable. If the problem continues, contact a
licensed electrician.
● There has been a local power
failure.
● The unit will resume normal operation once
power has been restored.
Unit Trips Circuit Breaker or
Blows Fuses.
● Other appliances are being used on
the same circuit.
● The unit requires a dedicated outlet circuit, not
shared with other appliances.
● An extension cord is being used. ● Do NOT use an extension cord with this or any
other air conditioner.
● The circuit breaker or time-delay
fuse is not of the proper rating.
● Replace with a circuit breaker or time-delay
fuse of the proper rating. See “Electrical
Rating Tables” on pg. 6 for the proper circuit
breaker/fuse rating for your unit. If the problem
continues, contact a licensed electrician.
LCDI Power Cord Trips (Reset
Button Pops Out).
● The LCDI power cord can trip
(Reset button pops out) due to
disturbances on your power supply
line.
● Press and release RESET (listen for click;
Reset button latches and remains in) to resume
normal operation.
● Electrical overload, overheating, or
cord pinching can trip (Reset button
pops out) the LCDI power cord.
● Once the problem has been determined and
corrected, press and release RESET (listen for
click; Reset button latches and remains in) to
resume normal operation.
NOTE: A damaged power supply cord must be replaced with a new power supply cord
obtained from the product manufacturer and must not be repaired.
Unit Does Not Cool/Heat
Room Sufficiently, Or Cycles
On And Off Too Frequently.
● The return/discharge air grille is
blocked.
● Ensure that the return and/or discharge air
paths are not blocked by curtains, blinds,
furniture, etc.
● Windows or doors to the outside are
open.
● Ensure that all windows and doors are closed.
● The temperature is not set at a cool
enough/warm enough setting.
● Adjust the Temperature control to a cooler or
warmer setting as necessary.
● The filter is dirty or obstructed. ● Clean the filter, (See Routine Maintenance), or
remove obstruction.
● The indoor coil or outdoor coil is
dirty or obstructed.
● Clean the coils, (See Routine Maintenance), or
remove obstruction.
● There is excessive heat or moisture
(cooking, showers, etc.) in the room.
● Be sure to use exhaust vent fans while cooking
or bathing and, if possible, try not to use heat
producing appliances during the hottest part of
the day.
● The temperature of the room you
are trying to cool is extremely hot.
● Allow additional time for the air conditioner to
cool off a very hot room.
Troubleshooting Tips