Fujitsu ast12ashcw User Manual

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KEEP THIS OPERATION MANUAL

FOR FUTURE REFERENCE

FUJITSU GENERAL LIMITED

OPERATING MANUAL

P/N9309868014-01

Indoor Unit

AST9RSHCW

AST12RSHCW

Outdoor Unit

AOT9RSHC

AOT12RSHC

HEAT & COOL MODEL

(REVERSE CYCLE)

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

Questions and Answers:

J
Jay HortonAug 4, 2025
Why is my Fujitsu ast12ashcw Air Conditioner cooling performance poor?
- K
  Kimberly SingletonAug 4, 2025
  Poor cooling performance in your Fujitsu Air Conditioner can stem from several factors. First, ensure the air filter isn't dirty. Check that the air conditioner's intake grille or outlet port is not blocked. Verify that the room temperature settings (thermostat) are correctly adjusted. Also, make sure no windows or doors are open, and close curtains to block bright sunlight. Finally, consider if there are too many people or heating apparatus in the room, or if the unit is set to SUPER QUIET operation.
L
Laurie JonesAug 8, 2025
Why does my Fujitsu ast12ashcw Air Conditioner airflow is weak?
- S
  Susan SuttonAug 8, 2025
  Weak or absent airflow in your Fujitsu Air Conditioner can occur for several reasons. When heating operation is started, fan speed is temporarily very low to allow internal parts to warm up. During heating, if the room temperature rises above the thermostat setting, the outdoor unit will stop, and the indoor unit will operate at a very low fan speed. The unit will temporarily stop operation (between 7 and 15 minutes) as the automatic defrosting mode operates. During dry operation, the fan may operate at very low speed when the unit is monitoring the room’s temperature. Also, the fan will operate at very low speed during SUPER QUIET operation or in monitor AUTO operation.

Fujitsu ast12ashcw Specifications

General

Brand	Fujitsu
Model	ast12ashcw
Category	Air Conditioner
Language	English

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