LG LA090HYV Owner's Manual page 24

trOublesHOOtInG
Single Zone Art Cool Premier
Table 7: Art Cool Premier Troubleshooting (Continued)
Issue
Unusual noise or vibration during operation of unit.
Unusual odor emits from indoor unit.
Table 8: Troubleshooting Wired Remote Controllers
Issue
Directional buttons such as Up/Down or Left/Right,
do not function when selected on wired remote
controller.
Directional Swing buttons, do not display when
selected on the wired remote controller.
Cannot select power heating on indoor unit.
Cannot set power heating on wired remote controller. Not possible to set time for automatic on/off operation with the wireless remote
The remaining time for the automatic On/Off
timer is not shown on App software.
Wired remote controllers - PQRCVCL0(QW) or LG Programmable Thermostat - PREMTB10U (only sold in the US).
1
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Cause
• Clicking noise during operation
– Clicking sound can be heard
either when the unit starts or
stops due to movement of the
reversing valve.
• Creaking sound during operation
– The plastic parts of the indoor
unit make sounds due to shrink-
age and expansion during sud-
den temperature shifts.
• Water flowing sounds
– Switching of the flow of refrig-
erant through the air conditioner
produces water flowing noise.
Bad odor can emit from the
indoor unit due to mustiness or
cigarette odor being taken in by
the indoor unit from the room it
is located in.
1
If air conditioner operation function is available (active), the wired remote controller
will be able to change air conditioning/heating operational mode.
controller or using the App software.
Due to our policy of continuous product innovation, some specifications may change without notification.
Corrective Action
These are normal noises for the air conditioner
as it shifts into different modes of operation.
Once mode is activated, noise or vibration
should discontinue.
• If the smell does not disappear, clean air filter.
• Contact installer, if after cleaning air filter, odor
still exists.
Corrective Action