Hisense 12K Care, Use And Installation Instructions page 7

Operating condition
The protective device maybe trip and stop
the appliance in the cases out of the allowable
temperature range .
If the air conditioner runs in "COOLING" or
"DRY" mode with door or window opened
for a long time when relative humidity is above
85%, dew may drip down from the air outlet.
Features of protector
The protective device will work at
following cases:
Stopping the appliance and restarting it
at once or changing mode during
operation, you need to wait 3 minutes.
Preheat
At the beginning of HEATING operation, the airflow from indoor unit is discharged 2-5
minutes later.
Defrost
In HEATING operation the appliance will defrost (de-ice) automatically to raise efficiency.
This procedure usually lasts 2-10 minutes. During defrosting, fans stop operation.
After defrosting completes, it returns to "HEATING" mode automatically.
It is hard to raise the room temperature when outdoor temperature is very low. Use the air
conditioner together with other heating appliance in this case.
Features of HEATING mode Features of HEATING mode
2
Safety Precautions
Noise pollution
Install the air conditioner at a place
that can bear its weight in order to
operate more quietly.
Inspection
After using for a long time , the air
conditioner should be inspected on
the following items:
Overheat of the power supply cord
and plug or even a burned smell.
Abnormal operating sound or vibration.
Water leakage from indoor unit.
Metal cabinet electrified .
Stop the air conditioner if above trouble
occurs.
It is advisable to have a detail inspection
after using it for 5 years even if none of
the above occurs.