Hisense Group KFR 25GWE - Manual (Page 20)

Tips for Energy Saving
Do not
Block the air intake and outlet of the unit. If they are obstructed, the unit
will not work well, and may be damaged.
Let sunlight directly into the room. Use sunshades, blinds or curtains.
If the walls and ceiling of the room are warmed by the sun, it will take
longer time to cool the room.
Do Always try to keep the air filter clean. (Refer to Care and Cleaning A
clogged filter will impair the performance of the unit.
To prevent conditioned air from escaping, keep windows, doors and any
other openings closed.
.)
Troubleshooting
If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work
properly, contact your dealer or service center.
1.Power failure.
2.Leakage breaker tripped.
3.Line voltage is too low.
4.Operation button is OFF.
5.Batteries in remote control unit have
run down.
Trouble in wiring system.
Obstruction in front of condenser coil.
1.Dirty or clogged air filter.
2.Heat source or many people in room.
3.Doors and/or windows are open.
4.Obstacle near air intake or air
discharge port.
5.Thermostat is set too high for
cooling(or too low for heating).
6.(Outdoor temperature is too low.)
7.(Defrosting system does not work.)
In heating or cooling operation, some
plastic parts may expand or shrink due
to a sudden temperature change. In
this event, a clicking sound may occur.
1.The use of portable telephones near
the air conditioner may cause
disturbance to its normal operation.
2.Restart the air conditioner after turn
off the power immediately.
1.Restore power.
2.Contact service center.
3.Consult your electrician or dealer.
4.Press the button again.
5.Replace batteries.
Contact servicer center.
Remove obstruction.
1.Clean air filter to improve airflow.
2.Eliminate heat source if possible.
3.Shut them to keep the heat (or cold)
out.
4.Remove it to ensure good airflow.
5.Set the temperature lower.(or higher)
6.(Try to use a back-up heater.)
7.(Consult your dealer.)
This is normal, and the sound will soon
disappear.
1.Turn off the power then restart the air
conditioner after 3 minute.
2.The unit will restart automatically
after three minutes.
Air conditioner does not run at
all.
OPERATING lamp flashes
while air conditioner does
not operate.
Compressor runs but soon
stops.
Poor cooling (or heating)
performance
Clicking sound is heard from
the air conditioner.
OPERATING lamp lights but
outdoor unit will not run.
Trouble Possible Cause Remedy
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