To Next PageTo Next PageWhy is my Fujitsu Air Conditioner making noise?
The sounds you hear from your Fujitsu Air Conditioner are likely normal. During and after operation, water flowing in the piping may be audible. A coolant flowing sound may be noticeable for 2-3 minutes after starting. During heating, a sizzling sound may occur due to automatic defrosting.
General| Brand | Fujitsu |
|---|---|
| Model | AOU15RLQ |
| Category | Air Conditioner |
| Language | English |
Describes the inverter's function for quick temperature adjustment and economic low-power operation.
Explains drying the indoor unit to prevent mold and bacteria growth using the COIL DRY button.
Details the AUTO CHANGEOVER mode which automatically switches operations to maintain set temperature.
Allows integration of ON and OFF timer operations within a 24-hour period for scheduled control.
Gradually adjusts thermostat settings during sleep for comfort, then automatically turns off the unit.
Louvers swing automatically to distribute airflow across the entire room for optimal comfort.
The indoor unit's panel is removable for easy cleaning and maintenance access.
Features an AIR FILTER treated to resist mildew, ensuring cleaner use and easier maintenance.
Reduces indoor unit airflow for quieter operation when the QUIET fan speed is selected.
Utilizes the air conditioner's power to quickly purify the air within the room.
Installs inside the dust collection unit, using electrical power to remove contaminants and odors.
Allows convenient control of air conditioner operation using a wireless remote.
An optional wired unit offering additional functions like weekly timers compared to wireless.
Identifies key parts of the indoor unit, including control panel, indicators, and grilles.
Details components of the remote control unit, including buttons, displays, and signal transmitter.
Lists the main parts of the outdoor unit, such as intake and outlet ports.
Instructions for connecting the power supply plug or turning on the circuit breaker.
Steps for loading batteries into the remote control unit, ensuring correct polarity.
Guide on setting the current time on the remote control unit using clock adjust buttons.
Information on operating the remote control unit, including range and signal reception.
Instructions on how to mount the remote control unit holder for convenient access.
Steps to start the unit and select desired operation modes like COOL, DRY, HEAT, or AUTO.
Instructions for adjusting the thermostat setting for heating, cooling, and dry modes.
Guide on changing fan speed settings including AUTO, HIGH, MED, LOW, and QUIET.
Explains how Super Quiet operation reduces airflow for quieter performance, with usage notes.
Procedure to stop the air conditioner by pressing the START/STOP button.
Details how AUTO CHANGEOVER detects room conditions and selects the appropriate operating mode.
Provides details on Heating, Cooling, Dry, and Fan modes, including performance nuances.
How to stop only the Air Cleaning function while the main unit continues operation.
Important information regarding ozone production, ventilation, and filter maintenance.
Steps to set single ON or OFF timers for automatic operation control.
How to cancel an active timer operation and return to normal operation.
Procedure to modify existing timer settings for ON or OFF timers.
How to stop the air conditioner temporarily while a timer is active.
How to adjust operating conditions after setting timers.
Setting up a sequence of ON and OFF timers within a 24-hour period.
Explanation of how program timers integrate multiple ON/OFF operations in sequence.
Steps to initiate the sleep timer function for automated temperature adjustments.
Guide on modifying the sleep timer duration and temperature adjustment increments.
How to cancel the sleep timer and return the unit to normal operation.
Procedure to manually stop the air conditioner while the sleep timer is active.
Explanation of how the sleep timer automatically modifies settings during heating or cooling.
Instructions for adjusting the vertical (up-down) airflow direction using the SET button.
Manual adjustment of the right-left louvers for desired airflow direction.
How to select and stop the SWING operation for automatic airflow direction.
How to initiate and cancel COIL DRY operation for drying the indoor unit.
Instructions for using the main unit controls when the remote is unavailable.
Step-by-step guide on how to remove and clean the air conditioner's intake grille.
Instructions for removing, cleaning, and reinstalling the air filter.
Information on the AIR CLEAN Indicator Lamp for filter maintenance alerts.
Steps for removing, washing, and drying the dust collection unit and its filter.
Checks for immediate operation failure, noise, or delayed start issues.
Addresses issues like weak airflow, unusual smells, mist emission, and poor cooling.
Troubleshooting based on the flashing status of the AIR CLEAN Indicator Lamp.
Checks for issues where the unit operates differently from remote control settings.
Notes on heat-pump efficiency at low outdoor temperatures and heating time.
Explanation of the Microcomputer-controlled Automatic Defrosting process.
How the unit restarts automatically after a power failure or during timer operations.
Defines the safe and effective operating temperature and humidity ranges for different modes.
Tips for saving energy, including unplugging the unit when not in use.
