Emergency & Auto-Restart Function; Auto-Restart Function; Emergency Function - LG H09TN4 Owner's Manual

EMERGENCY & AUTO-RESTART FUNCTION

Auto-Restart Function

The appliance is preset auto-restart function by
manufacturer. In case of a sudden power failure,
the module memorizes the setting conditions
before the power failure. When the power restores,
the unit restarts automatically with all the previous
settings preserved by the memory function.
To deactivate the AUTO-RESTART function,
proceed as follows:
1
Switch the air conditioner off and plug it off.
2
Press the emergency button meanwhile plug
it in.
3
Keep pressing the emergency button for more
than 10 seconds until you hear four short
beeps from the unit. The AUTO-RESTART
function is deactivate.
• To activate the AUTO-RESTART function,
follow the same procedure until you hear
three short beeps from the unit.

Emergency Function

If the remote controller fails to work or
maintenance necessary, proceed as follows:
Open and lift the front panel up to an angleto reach
the emergency button.
1
One press of the emergency button (one
beep) will lead to the forced COOLING
operation.
2
Two press of the emergency button within 3
seconds (two beeps) will lead to the forced
HEATING operation.
3
To switch off the unit, you just need to press
the button again (a single long beep).
4
After 30 minutes in forced operation, the air
conditioner will automatically start working in
23 °C cooling mode, auto fan speed.
a
Display PCB
a
Emergency button
b
Front panel
c
WARNING
• The shape and position of the emergency
button may be different according to the model,
but their function is the same.
NOTE
• The external static pressure of heat pumps is 0
Pa for all models.
• The emergency button in some models could
be on the right part of the unit under the front
panel.
c
ON/OFF
b
EN
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