Fujitsu AUU24RC, AUU18RC, AUU42RC, AUU36RC, AOU18RC, AOU36RC, AOU24RC Errors and Self Diagnosis, En-14

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ERRORS AND SELF DIAGNOSIS

Error Code

TIMER SET TIME TEMP./DAY

FAN

MODE

CONTROL

MASTER

CONTROL

CLOCK ADJUST

ZONE

ENERGY SAVE START/STOP

SET

DAY OFF

 

 

 

If there is a problem with the air conditioner, it will stop run- ning and “E: EE” will be displayed instead of the clock.

(1)If the operation lamp is on then press the START/ STOP button to turn it off.

(2)Press the SET TIME () and the TEMP./DAY () buttons at the same time for more than three seconds to start the self diagnosis check.

An error code will be displayed in the clock display area.

(3)Press the SET TIME () and the TEMP./DAY () buttons again for more than three seconds to end the self diag- nosis check.

Error Code

Error contents

Communication error

(indoor unitt

 

 

sremote controller)

 

 

 

 

 

 

 

Communication error

t

 

 

s

 

 

(indoor unit

 

 

outdoor unit)

Room temperature sensor open

Room temperature sensor shortcircuited

Indoor heat exchanger temperature sensor open

Indoor heat exchanger temperature sensor shortcircuited

Outdoor heat exchanger temperature sensor open

Outdoor heat exchanger temperature sensor shortcircuited

Power source connection error

Float switch operated

Outdoor temperature sensor open

Outdoor temperature sensor shortcircuited

Discharge pipe temperature sensor open

Discharge pipe temperature sensor shortcircuited

Outdoor high pressure abnormal

Discharge pipe temperature abnormal

Model abnormal

Indoor fan abnormal

Outdoor signal abnormal

Outdoor EEPROM abnormal

En-14

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Contents Indoor U nit Outdoor U nitNglis h Safety Precautions ContentsEn-2 Name of PartsPreparation OperationEn-3 About Mode Operation En-4To Stop Operation Press the START/STOP button To change settings Timer Operation OFF TIMER/ON TimerPress the SET Time button and set the timer time To confirm settingsEn-6 Timer Operation Weekly TimerOFF En-7Presstime. the SET Time button to set the day’s first OFF TimesPress the SET button again Cancelling Selected Time SettingsTo Stop Weekly Timer Operation Reviewing the Time Settings En-8To edit Carry out steps 1 to 3 of the Setting Up the WeeklyNew setting overwrites the previous setting En-9About the DAY OFF Using the DAY OFF SettingPrecautions during setup En-10About the Energy Save Energy Save OperationEn-11 To Use the Energy Save Press the Energy Save buttonAbout Swing Operation Adjusting the Direction of AIR CirculationSwing Operation En-12Hold down the hook at a and pull the fil- ter out Cleaning and CareClean the air filters En-13En-14 Errors and Self DiagnosisOperation and Performance Temperature and Humidity RangeOperation Details En-15To Use the Zone Control Control Several Units with just one Remote ControllerSystem Operation En-16Troubleshooting Symptom ProblemEn-17 More Doesn’t operate at all Has there been a power failure?En-18 Check Once