Fujitsu AST9UMAD - User Manual

Fujitsu AST9UMAD

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FUJITSU GENERAL LIMITED

P/N9374666010

HEAT & COOL MODEL

(REVERSE CYCLE)

INDOOR UNIT

AST9UMAD

OUTDOOR UNIT

AOT19UGBB2

COOLING MODEL

INDOOR UNIT

AST9FMAD

OUTDOOR UNIT

AOT19FGBB2

OPERATING MANUAL

ROOM AIR CONDITIONER

MULTI SPLIT TYPE

(2 ROOMS)

9374666010_OM_cover.p65 1/4/05, 3:27 PM1

Table of Contents

Questions and Answers:

A
acampbellAug 19, 2025
Why is my Fujitsu AST9UMAD Air Conditioner not cooling well?
- D
  Dale WellsAug 20, 2025
  If your Fujitsu Air Conditioner isn't cooling effectively, several factors could be responsible: a dirty air filter, blocked intake grille or outlet port, incorrect thermostat settings, open doors or windows, direct sunlight entering the room (for Cooling), the presence of heat-generating equipment or too many occupants (for Cooling), or the unit being set to SUPER QUIET operation. Check these aspects to improve cooling performance.
S
Stacey RodriguezAug 21, 2025
Why is water produced from the outdoor unit of my Fujitsu AST9UMAD Air Conditioner?
- D
  Danielle JacksonAug 21, 2025
  Water may be produced from the outdoor unit of your Fujitsu Air Conditioner during Heating operation due to the Automatic Defrosting operation.
J
james67Aug 25, 2025
Why is my Fujitsu AST9UMAD not cooling or heating properly?
- A
  allison71Aug 25, 2025
  Several factors can cause poor cooling or heating performance in your Fujitsu Air Conditioner. Check if the air filter is dirty, or if the air conditioner’s intake grille or outlet port is blocked. Ensure that the room temperature settings (thermostat) are correctly adjusted and that no windows or doors are open. For cooling operation, close the curtains if sunlight is entering the room and reduce the number of heat-generating appliances or people in the room. Also, check if the unit is set for SUPER QUIET operation.
M
Megan DiazAug 28, 2025
Why is water coming from the outdoor unit of my Fujitsu Air Conditioner?
- S
  Scott SmithAug 28, 2025
  During Heating operation, water may be produced from the outdoor unit of your Fujitsu Air Conditioner due to the Automatic Defrosting operation.
C
Curtis LeeAug 30, 2025
Why is my Fujitsu AST9UMAD airflow weak or stops?
- N
  Nicholas BryantAug 30, 2025
  Weak or absent airflow in your Fujitsu Air Conditioner can occur for several reasons. When heating starts, the fan speed is temporarily low to warm internal parts. During heating, if the room exceeds the thermostat setting, the outdoor unit stops, and the indoor unit operates at low fan speed. The unit may also temporarily stop for 7-15 minutes for Automatic Defrosting, indicated by a flashing OPERATION lamp. Low fan speed is normal during Dry operation, when monitoring room temperature, or during SUPER QUIET or monitor AUTO operation.
A
Amy JonesSep 1, 2025
Why does my Fujitsu AST9UMAD smell?
- C
  Catherine SmithSep 1, 2025
  The smell from your Fujitsu Air Conditioner may be due to room odors (furniture, tobacco, etc.) that have been drawn into the unit.
M
Mary WalkerSep 3, 2025
Why is my Fujitsu AST9UMAD making noise?
- V
  victor40Sep 3, 2025
  Your Fujitsu Air Conditioner may produce noise due to water flowing in the piping during or after operation. Also, the sound of coolant flowing may be noticeable for 2-3 minutes after starting. During heating, a sizzling sound may occur occasionally due to the Automatic Defrosting operation.
L
Lucas SmithSep 5, 2025
What to do if my Fujitsu Air Conditioner unit operates differently from the remote control unit’s setting?
- B
  brandon68Sep 5, 2025
  If your Fujitsu unit responds differently to the remote control settings, check if the remote's batteries are dead or loaded incorrectly.
J
Joseph EvansSep 8, 2025
Why doesn't my Fujitsu AST9UMAD Air Conditioner operate immediately?
- K
  Kaitlyn CampbellSep 8, 2025
  If your Fujitsu Air Conditioner is stopped and immediately restarted, the compressor won't operate for about 3 minutes to prevent fuse issues. Also, if the power supply plug is disconnected and reconnected, the protection circuit will prevent operation for about 3 minutes.
M
Michael CabreraSep 10, 2025
Why doesn't my Fujitsu AST9UMAD operate immediately after turning it on?
- K
  Kyle WolfSep 10, 2025
  If your Fujitsu Air Conditioner doesn’t operate immediately after being turned on, it could be due to a built-in protection mechanism. If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes to prevent fuse blowouts. Similarly, if the power supply plug is disconnected and then reconnected, the protection circuit will operate for about 3 minutes, preventing operation during that period.

Fujitsu AST9UMAD Specifications

General

Type	Split System
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Weight (Indoor Unit)	8 kg
Cooling Capacity	9000 BTU/h

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