Fujitsu ABT24LB - User Manual

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P/N9374319015

Indoor Unit

ABT18LB

ABT24LB

Outdoor Unit

AOT18LM

AOT24LM

AIR CONDITIONER

FLOOR CONSOLE/

UNDER CEILING DUAL TYPE

OPERATING MANUAL

KEEP THIS MANUAL

FOR FUTURE REFERENCE

FUJITSU GENERAL LIMITED

Questions and Answers

P
popetheresaAug 20, 2025
Why is my Fujitsu Air Conditioner not cooling well?
- G
  Gabriel WagnerAug 20, 2025
  Poor cooling performance can occur for several reasons: * Check if the air filter is dirty. * Ensure that the air conditioner's intake grille or outlet port isn't blocked. * Verify that you've correctly adjusted the room temperature settings (thermostat). * Make sure no windows or doors are open. * If it's during cooling operation, check if sunlight is entering the room and close the curtains. Also, consider if there are heating appliances, computers, or too many people in the room.
J
Julie DunnAug 22, 2025
Why is my Fujitsu Air Conditioner cooling (or heating) poorly?
- A
  Amy ClarkeAug 22, 2025
  Poor cooling or heating performance in your Fujitsu Air Conditioner can be due to several factors. Check if the air filter is dirty, or if the air conditioner's intake grille or outlet port is blocked. Ensure the room temperature settings (thermostat) are correctly adjusted and that no windows or doors are open. If cooling, close curtains to block bright sunlight. Also, consider if there are too many people or heat-generating devices in the room.
J
Justin HowardAug 25, 2025
Why doesn't my Fujitsu Air Conditioner operate immediately after turning it on?
- A
  allisonphillipsAug 25, 2025
  Your Fujitsu Air Conditioner may not operate immediately due to a built-in protection mechanism. If the unit was recently stopped and restarted, the compressor might not operate for about 3 minutes to prevent fuse issues. Also, if the power supply plug was disconnected and reconnected, the protection circuit will prevent operation for about 3 minutes.
J
Jennifer GainesAug 26, 2025
Why is water coming from the outdoor unit of my Fujitsu ABT24LB?
- D
  danielsimmonsAug 27, 2025
  Water may be produced from the outdoor unit of your Fujitsu Air Conditioner during heating operation due to the automatic defrosting operation.
J
Jasmine MelendezAug 28, 2025
Why is my Fujitsu ABT24LB Air Conditioner unit operating differently from the remote control setting?
- J
  Jacqueline HarperAug 28, 2025
  If the unit operates differently from the remote control's setting, check if the remote control's batteries are dead or if the batteries are loaded properly.
S
Sean RichmondAug 30, 2025
What to do if I don't receive a signal after replacing the batteries in my Fujitsu Air Conditioner remote?
- A
  Angela MckeeAug 30, 2025
  If you don't receive a signal after replacing the batteries, check if you are using an air conditioner signal code other than signal code A.
R
reedangelaSep 1, 2025
How to fix a Fujitsu Air Conditioner that doesn’t operate immediately?
- M
  Martin SotoSep 1, 2025
  If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent fuse blowouts. Whenever the power supply plug is disconnected and then reconnected to a power outlet, the protection circuit will operate for about 3 minutes, preventing unit operation during that period.
C
Corey WhiteSep 3, 2025
Why is the airflow weak or stopping in my Fujitsu ABT24LB?
- S
  Sandra LeblancSep 3, 2025
  Weak or stopped airflow in your Fujitsu Air Conditioner can occur for several reasons. When heating starts, the fan speed is temporarily very low to allow internal parts to warm up. During heating, if the room temperature exceeds the thermostat setting, the outdoor unit will stop, and the indoor unit will operate at a very low fan speed. Also, during heating, the unit may temporarily stop for 7 to 15 minutes for automatic defrosting. The fan may operate at a very low speed during Dry operation or when the unit monitors the room's temperature, and in monitor AUTO operation, the fan will operate at a very low speed.
Z
zlewisSep 5, 2025
What to do if my Fujitsu ABT24LB Air Conditioner doesn't operate at all?
- C
  Curtis LopezSep 5, 2025
  If your Fujitsu Air Conditioner isn't operating, check the following: * Has there been a power failure? * Has a fuse blown out, or a circuit breaker been tripped? * Is the timer operating?
J
jamie09Sep 7, 2025
Why is the airflow weak on my Fujitsu ABT24LB?
- M
  Madeline MorrisSep 7, 2025
  Weak or absent airflow can occur in your Fujitsu Air Conditioner due to several reasons. When heating operation is started, fan speed is temporarily very low, to allow internal parts to warm up. During heating operation, if the room temperature rises above the thermostat setting, the outdoor unit will stop, and the indoor unit will operate at very low fan speed. If you wish to warm the room further, set the thermostat to a higher setting. During heating operation, the unit will temporarily stop operation (between 7 and 15 minutes) as the Automatic Defrosting mode operates. The fan may operate at very low speed during Dry operation or when the unit is monitoring the room’s temperature. In the monitor AUTO operation, the fan will operate at very low speed.

Fujitsu ABT24LB Specifications

General

Brand	Fujitsu
Model	ABT24LB
Category	Air Conditioner
Language	English

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