Troubleshooting - Hisense 7K Use And Installation Instructions

Troubleshooting

The following cases may not always be a malfunction, please check it before asking for service.
Trouble
Does not run
No cooling or
heating air
Ineffective control
Does not operate
immediately
Peculiar odor
A sound of
flowing water
Cracking sound is
heard
Spray mist from
the outlet
The running indicator flashes on constantly,
and indoor fan stops.
Mode interfere
For the reason that all indoor units use one outdoor
unit, outdoor unit can only run with same mode
(cooling or heating),so,when the mode you set is
different from the mode that outdoor is running with,
mode interfere occurs. Following shows the mode
interfere scene.
don't run
cooling
dry
heating
fan
outdoor unit always run with the mode of first indoor unit that turned on.
when the setting mode of following indoor unit is interfered with it, 3 beeps
would be heard, and the indoor unit interfered with the normal running units
would turn off automatically.
20
Analysis
If the protector trip or fuse is blown.
Please wait for 3 minutes and start again,
protector device may be preventing unit to work.
.
If batteries in the remote controller exhausted.
If the plug is not properly plugged.
Is the air filter dirty?
Are the intakes and outlets of the air
conditioner blocked？
Is the temperature set properly？
If strong interference(from excessive static
electricity discharge, power supply voltage
abnormality)presents, operation will be
abnormal. At this time, disconnect from the
power supply and connect back 2-3 seconds later.
Changing mode during operation, 3 minutes
will delay.
This odor may come from another source
such as furniture, cigarette etc, which is
sucked in the unit and blows out with the air.
Caused by the flow of refrigerant in the
air conditioner, not a trouble.
Defrosting sound in heating mode.
The sound may be generated by the expansion
or contraction of the front panel due to change
of temperature.
Mist appears when the room air becomes
very cold because of cool air discharged
from indoor unit during COOLING or DRY
operation mode.
The unit is shifting from heating mode to defrost.
The indicator will flash within twelve minutes and
returns to heating mode.
cooling dry heating
fan
normal
mode interfere