If the unit is serviced by unqualified persons this can result in damage to the unit and possibly
create unsafe conditions and could result in warranty claims being denied and/or void the unit's
remaining warranty.
FAULTS
no power supply
The unit does not
the power switch is in the "o" position.
turn on.
the remote control's batteries need to be
replaced.
the temperature set on the remote control
is either too high or too low.
The air filter is dirty even though the cleaning
The unit does
leDs timer has not yet expired.
not cool or heat
adequately.
Indoor or outdoor airflow is being blocked.
the heating/cooling load has increased.
for example, a door or a window was let
open or other heat producing devices
have been introduced to the space.
4 - UNIT SPECIFICATIONS
for the technical data listed below consult the data plate found on the unit.
• Power supply voltage
• Protection rating
• Refrigerant type
• Maximum power
• Maximum current
• Maximum working pressure
For additional performance, operational limits and physical dimensions/weights consult the specifications
document for this specific unit.
USA - 22
POSSIBLE CAUSES
SOLUTIONS
Check the main power. if the unit is plugged
into a wall outlet verify voltage is present by
plugging in a known functional device, such
as a lamp.
Check if the master switch is off
Check if a fuse is blown. if so, replace it with
one of the same size.
if the unit is protected by a circuit breaker
check if it has tripped. if so, reset it.
note: Should the fuse blow again or if the
breaker trips again Do not attempt to run the
unit. Contact a qualified service technician.
move the power switch on the unit to the "i"
position (10). fig.34
When the batteries are dead, no messages are
displayed, and the unit's reception confirmation
sound will not work when you attempt to issue
a command. if this is the case, replace the
batteries.
Check the temperature setting on the remote
control and correct it if
need be.
Check the air filter and clean if necessary.
remove anything impeding the inlet or output
airflow.
Decrease the load by closing the window or
door. or remove any heat producing devices
that are adding to the load.