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Mitsubishi Heavy Industries SRF25ZJX-S, User Manual, Page: 24 / 24

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Mitsubishi Heavy Industries SRF25ZJX-S User Manual Download Page 24

– 23 –

Self diagnosis function

■

We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows:

•

Broken power transistor

TIMER light ON

RUN light keeps flashing

RUN light ON

2 time flash

3 time flash

1 time flash

RUN light

•

Compressor locking, open phase on compressor output,
shortcircuit on power transistor, closed service valve

Outdoor heat exchanger fluid pipe sen-
sor error

Outdoor temperature sensor error

Trouble of outdoor unit

Over current

•

Broken outdoor sensor wire, poor connector connection

Current cut

Description of trouble

Room temperature sensor error

Cause

•

Broken heat exchanger sensor 1 wire, poor connector connection

Heat exchanger sensor 3 error

Heat exchanger sensor 1 error

Over heat of compressor

Error of signal transmission

•

Broken room temperature sensor wire, poor connector connection

•

Broken heat exchanger sensor 3 wire, poor connector connection

•

Broken heat exchanger fluid pipe sensor wire, poor connector

connection

•

Broken power transistor, broken compressor wire

•

Broken discharge pipe sensor wire, poor connector connection

•

Compressor blockage

•

Overload operation, overcharge

•

Gas shortage, defective discharge pipe sensor, closed service

valve

•

Defective power supply, Broken signal wire, defective in/outdoor

unit boards

Discharge pipe sensor error

•

Broken discharge pipe sensor wire, poor connector connection.

Outdoor fan motor error

•

Defective fan motor, poor connector connection

Power transistor error

1 time flash

5 time flash

Active filter voltage error

•

Defective power supply

Cooling high pressure protection

•

Gas over charge, short circuit of outdoor unit

Suction pipe sensor error

•

Broken suction pipe sensor wire, poor connector connection.

2 time flash

4 time flash

5 time flash

1 time flash

2 time flash

3 time flash

4 time flash

5 time flash

6 time flash

7 time flash

Keep flashing

TIMER light

6 time flash

Indoor fan motor error

•

Defective fan motor, poor connector connection

Refrigerant is insufficient

Closed service valve

Heat exchanger sensor 1 error

•

Refrigerant is insufficient, leaking

•

Closed serice valve

•

Broken heat exchanger sensor 1 wire, poor connector connection

7 time flash

Rotor lock

•

Defective compressor

•

Open phase on compressor

•

Defective outdoor unit boards

2 time flash

RUN light 2 time flash

RFB012A003_EN_001_024

08/07/2009, 10:04

23

Summary of Contents for SRF25ZJX-S

Page 1: ...tioner complies with EMC Directive 2004 108 EC LV Directive 2006 95 EC Ce climatiseur est conforme à la Directive EMC 2004 108 EC LV Directive 2006 95 EC Dieses Kimagerät erfüllt die EMC Direktiven 2004 108 EC LV Direktiven 2006 95 EC Questo condizionatore d aria è conforme alla Direttiva EMC 2004 108 EC LV Direttiva 2006 95 EC Deze airconditioner voldoet aan EMC Directive 2004 108 EC LV Directive...

Page 2: ...lectronic equipment WEEE as in directive 2002 96 EC should not be mixed with general household waste Air conditioners should be treated at an authorized treatment facility for re use recycling and recovery and not be disposed of in the municipal waste stream Please contact the installer or local authority for more information This symbol printed in the batteries attached to your Air Conditioning p...

Page 3: ... water drop in the room resulting in wet furniture Earth cables should never be connected to a gas pipe water pipe lightning con ductor or telephone earth cable Incor rect installation of the earth cable may produce an electric shock Do not expose yourself to the cooling air for a long period Store the remote control out of reach of infants Do not swing from the indoor unit This could affect your ...

Page 4: ...age smoke or fire may also happen if the detergent comes in contact with electrical parts or the unit s motor It may damage the unit Consult your dealer for repairs If you notice anything abnormal smell of burning etc stop the system turn off the power supply and consult your dealer In case the air conditioner is relocated elsewhere contact your dealer or a professional fitter If the air condition...

Page 5: ...er from the indoor unit Up down airflow direction adjustment flap Refrigerant piping connection and electric wire Air lnlet panel Draws the indoor air Unit operation switch Left right airflow adjustment louver Page 10 Lower air outlet Air blows out of here Air cleaning filter Page 19 Air filter Removes dust or dirt from the inlet air Page 18 Room temperature sensor Heat exchanger Air inlet panel r...

Page 6: ... operation Blinks when airflow stops due to the HOT KEEP and CLEAN operation Page 9 Page 16 Remote control signal receiver 1 5 sec ON OFF 0 5 sec HOT KEEP 3 sec 1 sec ON OFF CLEAN operation ECONO light green Illuminates during ECONOMY operation Page 15 Buzzer sound for remote control When preset temperature 24 C automatic operation and automatic airflow are selected the buzzer sound PiPi is produc...

Page 7: ...setting mode is displayed Page 7 4 Using the remote control holder The remote control can be attached to a wall or pillar by using a remote control holder Before installing the remote control check that the air conditioner receives the signals properly For installing or removing the remote control move it up or down in the holder Do not drop the remote control Handle with care Do not go near high ...

Page 8: ...is automatically set to time setting mode 13 00 is displayed as the current time Set the clock to the right time Each time the button is pressed the display is switched over in turn Page 8 FAN SPEED button This button changes the HIGH POWER ECONOMY mode Page 15 HI POWER ECONO button These buttons set the room temperature These buttons are used for setting the current time and timer function as wel...

Page 9: ... button is pressed the switch over occurs in the following order 6 5 1 0 1 6 When 6 is indicated even if the button is pressed the indicator does not change When the unit is not in AUTO mode Press MODE button Move the mark to the Auto position Point the remote control toward the air conditioner and Press the ON OFF button 1 2 When it is a little cold Press the button When it is a little hot Press ...

Page 10: ...rface of the indoor unit leading to water drips Characteristics of HEAT mode operation Mechanism and capacity of HEAT mode operation Mechanism The unit draws heat from the cold outside air transfers it to indoors and heats the room As a characteristic of heat pump system the heating capacity reduces when the outside air temperature gets colder It may take some time to supply hot air after turning ...

Page 11: ...e flap may not be closed completely HEAT Slant forward blowing Horizontal blowing COOL DRY Recommended angle of the flap when stopping When operation starts the flap direction is fixed at the vertical position in order to avoid cold draft and return to the set the position that was set after the warm air supply is starting The flap direction will be controlled to the vertical position when the roo...

Page 12: ...tton 1 How to cancel Press the CANCEL button to turn off the SLEEP indicator Changing of set time Set a new time by pressing SLEEP button Cannot be set at the same time with OFF TIMER No display cancelled Units of one hour Unit display section SLEEP TIMER When SLEEP TIMER is selected the set temperature is automatically adjusted after a while ensuring that the room is not too cold during cooling o...

Page 13: ...d in the order of 0 00 23 50 23 40 23 00 22 50 Set at 22 30 3 1 4 Press the OFF TIMER button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on 2 How to cancel Press the CANCEL button to turn off the timer display Changing of set time Set a new time by using the OFF TIMER button The unit stops at the end of the set period of time Make sure...

Page 14: ...uring operation Changing of set time Set a new time by using the ON TIMER button Operation starts 5 to 60 minutes before the set time The timer light yellow goes out at the set time Make sure to press the button within 60 seconds from the last operation in step 2 otherwise the setting is not completed The current time is not displayed during ON TIMER operation Comfort Start up In ON TIMER operatio...

Page 15: ...e timer operations of the combination of ON and OFF TIMER Once this has been set the timer operations will be repeated at the same time every day unless the ON OFF button is pressed Example When it is prefered to stop at 22 30 and then start operation at 8 00 near the set temperature OFF TIMER operation setting Set by the procedures on page 12 Set to ON TIMER operation setting Set by the procedure...

Page 16: ...GH POWER operation is set after ON TIMER operation HIGH POWER operation will start from the set time When the following operations are set HIGH POWER operation will be canceled 1 When the HI POWER ECONO button is pressed again 2 When the operation mode is changed 3 When it has been 15 min since HIGH POWER operation has started Not operable while the air conditioner is OFF Concerning ECONOMY operat...

Page 17: ...e switched off by a power cut and then automatically resumes operations after the power has been restored The following settings will be cancelled 1 Timer settings 2 HIGH POWER operations Auto restart function is set at on when the air conditioner is shipped from the factory Consult with your dealer if this function needs to be switched off When power failure occurs the timer setting is cancelled ...

Page 18: ...w the setting point And then the air outlet will change to the upper outlet That state will be maintained until switch is turned off In case both outlets operation with Auto fan speed mode is selected the upper outlet will be kept for ten minutes after the start or until room temperature is close to reaching the setting point And then the air outlet will change to both outlets in order to spread c...

Page 19: ...emoval installation of air inlet panel How to open close the air inlet panel Open Place fingers at the recesses on both sides of the panel and pull down the panel forward so that it will be open by about 15 degrees Close Push both ends evenly and press further lightly at the center Removal When removing the air inlet panel for internal cleaning or others open the panel remove the string and then p...

Page 20: ...th the air cleaning filter installed in the folders from the air conditioner 3 Remove the photocatalytic washable deodorizing filter orange from the filter holder and inspect the filter Periodically remove any dust or dirt from the photocatalytic washable deodorizing filter If the photocatalytic washable deodorizing filter is particularly dirt it may be washed with water However the filter is frag...

Page 21: ...table installation position Do not put any obstruction in front of the indoor unit preventing proper ventilation and functioning Do not install the unit in any of the following places Where there is a danger of leaking flammable gases Where there is substantial splashing of oil Malfunctioning due to corrosion may occur if the unit is installed in a spa where sulfide gases are generated or in a sea...

Page 22: ...a slight gurgling sound This is caused by refrigerating liquid moving within the unit You hear a slight cracking sound This is caused by heat expansion or contraction Remote control signals may not be received if the signal receiver on the air conditioner is exposed to direct sunlight or other bright light If so cut out the sunlight or reduce the other light After a power cut the unit does not res...

Page 23: ...conducting different operations the air conditioner that was operated first will be given priority so the air conditioner that is operated after that will conduct air blowing operation When you want to give priority to the air conditioner that was started later either stop the air conditioner that has priority or cause the operation type of the unit operated first to match that of the unit operate...

Page 24: ...or wire Broken discharge pipe sensor wire poor connector connection Compressor blockage Overload operation overcharge Gas shortage defective discharge pipe sensor closed service valve Defective power supply Broken signal wire defective in outdoor unit boards Discharge pipe sensor error Broken discharge pipe sensor wire poor connector connection Outdoor fan motor error Defective fan motor poor conn...

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