Daikin BRC1E73 Service Manual
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Daikin BRC1E73 Service Manual

Daikin BRC1E73 Service Manual

Navigation remote controller
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SiUS721424EB
Service
Manual
Navigation Remote Controller
(Wired Remote Controller)
BRC1E73

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Summary of Contents for Daikin BRC1E73

  • Page 1 SiUS721424EB Service Manual Navigation Remote Controller (Wired Remote Controller) BRC1E73...

  • Page 2: Table Of Contents

    SiUS721424EB Navigation Remote Controller (Wired Remote Controller) BRC1E73 1. Introduction ....................iii 1.1 Safety Precautions ..................iii Part 1 Remote Controller ..............1 1. Features ...................... 2 1.1 Selectable Screen Display ................2 1.2 Functions...................... 3 1.3 Dimensions....................4 2. Button Locations and Descriptions..............5 3.
  • Page 3 SiUS721424EB 2.3 Field Settings....................47 2.4 Energy Saving Options................50 2.5 Prohibit Function ..................54 2.6 Min Setpoints Differential ................56 2.7 Group Address ................... 57 2.8 Indoor Unit AIRNET Address ..............61 2.9 Outdoor Unit AIRNET Address..............62 2.10 Error History ....................63 2.11 Indoor Unit Status..................

  • Page 4: Introduction

    Warning Do not install the remote controller by yourself. Improper installation may result in electric shocks or fire. Consult your Daikin dealer. Do not modify or repair the remote controller. This may result in electric shocks or fire. Consult your Daikin dealer.
  • Page 5 Never disassemble the remote controller. Touching the interior parts may result in electric shocks or fire. Consult your Daikin dealer or authorized contractor for internal inspections and adjustments. To avoid electric shocks, do not operate with wet hands.
  • Page 6 Introduction SiUS721424EB Warning Do not use the product in places with excessive oily smoke, such as cooking rooms, or in places with flammable gas, corrosive gas, or metal dust. Using the product in such places may cause fire or product failures. Beware of fire in case of refrigerant leakage.
  • Page 7 SiUS721424EB Introduction Caution After prolonged use, check the unit stand and its mounts for damage. If left in a damaged condition, the unit may fall and cause injury. Do not allow a child to mount on the outdoor unit or avoid placing any object on it.
  • Page 8 Failure to do so may result in an electric shock or injury. Do not wash the interior of the indoor and outdoor units by yourself. Always consult your Daikin dealer. The use of an incorrect washing method or incorrect detergent may damage the resin parts of the indoor unit or cause water leakage.
  • Page 9 SiUS721424EB Introduction Caution Fix the units securely. If the units are not mounted securely, the units may fall or topple and injury may result. Arrange the drain to ensure complete drainage. If proper drainage from the outdoor drain pipe does not occur during air conditioner operation, there could be a blockage due to dirt and debris build-up in the pipe.

  • Page 10: Part 1 Remote Controller

    SiUS721424EB Part 1 Remote Controller 1. Features ...................... 2 1.1 Selectable Screen Display ................2 1.2 Functions...................... 3 1.3 Dimensions....................4 2. Button Locations and Descriptions..............5 3. Names and Functions of the Liquid Crystal Display........7 4. Mode Access Operation................10 5.

  • Page 11: Features

    SiUS721424EB Features 1. Features BRC1E73 · Selectable Screen Display ..3 types of displays are available; Standard, Detailed and Simple. · Clear Display ......Equipped with backlight and large sized character display and buttons. · Stylish........Basic tone is white and arrow keys are located at the center.

  • Page 12: Functions

    Features SiUS721424EB Functions Category Function BRC1E73 Drawing display Full dot LCD Basic Functions Operation method Menu selection Backlight function Clock function (time display) ∗1 Display selection Convenient Functions Keylock function Daylight saving time function Schedule (weekly) timer ∗2 ∗3 ∗5 Model name display ∗3 ∗4...

  • Page 13: Dimensions

    SiUS721424EB Features Dimensions Remote Controller...

  • Page 14: Button Locations And Descriptions

    Button Locations and Descriptions SiUS721424EB 2. Button Locations and Descriptions 1. Operation mode selector 11. LCD (with backlight) 4. Scroll up 5. Scroll down 6. Scroll right 7. Scroll left 9. Operation lamp 8. Select On/Off 3. Menu/OK 10. Cancel 2.
  • Page 15 SiUS721424EB Button Locations and Descriptions 5. Scroll down Used to decrease the setpoint. The item below the current selection will be highlighted. (The highlighted items will be scrolled continuously when the button is pressed continuously.) Used to change the selected item. 6.

  • Page 16: Names And Functions Of The Liquid Crystal Display

    Names and Functions of the Liquid Crystal Display SiUS721424EB 3. Names and Functions of the Liquid Crystal Display Three variations of the display mode (Standard, Detailed, and Simple) are available. Standard display is set by default. Detailed and Simple displays may be selected in the main menu. Standard display 10.
  • Page 17 SiUS721424EB Names and Functions of the Liquid Crystal Display Simple display 1. Operation mode 14. Selectable Display item 3. Setpoints 11. Setback 2. Fan speed 4. Standby for Defrost/Hot start <Simple display example> Note for all display modes Depending on the field settings, while the indoor unit is stopped, OFF may be displayed instead of the operation mode and/or the setpoint may not be displayed.
  • Page 18 Names and Functions of the Liquid Crystal Display SiUS721424EB 6. Ventilation Displayed when an Energy Recovery Ventilator is connected. Ventilation Mode icon “AUTO ERV, ERV, BYPASS ” These icons indicate the current ventilation mode (ERV only). Air Purify icon “ ”...

  • Page 19: Mode Access Operation

    SiUS721424EB Mode Access Operation 4. Mode Access Operation On power-up, the message “Checking the connection. Please standby.” will be displayed on the remote controller screen temporarily and then the basic screen will be displayed. To access a mode from the basic screen, refer to the figure below. When any of the operation buttons is pressed, the backlight will come on and remain lit for about 30 seconds.
  • Page 20 The Operation lamp (green) will remain on. The message “Warning: Push Menu button” will be displayed at the bottom of the screen. → Press the “Menu/OK” button to see the warning details. Contact your Daikin dealer in the following cases. Operation If an error occurs, either one of the following items will fl...

  • Page 21: Basic Screen Operation

    SiUS721424EB Basic Screen Operation 5. Basic Screen Operation On power-up, the basic screen will be displayed. The following operations can be performed directly from the basic screen. Item Operation Procedures 1. Start operation Press the “On/Off” button. The Operation lamp (green) will come on and the unit will start operating.

  • Page 22: Part 2 Main Menu

    SiUS721424EB Part 2 Main Menu 1. Main Menu List..................14 2. Details for Each Menu Item...............16 2.1 Airflow Direction ..................16 2.2 Individual Airflow Direction ................. 18 2.3 Ventilation....................20 2.4 Schedule ....................22 2.5 Off Timer ....................27 2.6 Filter Auto Clean..................29 2.7 Maintenance Information................

  • Page 23: Main Menu List

    SiUS721424EB Main Menu List 1. Main Menu List Use the following steps to access the Main Menu from the basic screen. Pressing the “Cancel” button while the Main Menu screen is displayed takes you back to the basic screen. Press "Menu/OK" button. Basic screen is Main Menu is displayed.
  • Page 24 Main Menu List SiUS721424EB Menu item Description Configuration Draft Prevention Draft prevention function can be enabled or disabled. (Only available with When enabled, the occupant sensor will adjust the louver’s occupant sensor position to prevent air blowing directly on an occupant. installed indoor unit models) Contrast...

  • Page 25: Details For Each Menu Item

    SiUS721424EB Details for Each Menu Item 2. Details for Each Menu Item This section provides information about how to use each item in the Main Menu. Airflow Direction Configuring Airflow direction Operation Display the main menu screen. Main Menu Airflow Direction Individual Airflow Direction Ventilation Press...
  • Page 26 Details for Each Menu Item SiUS721424EB Select the desired airfl ow direction Airflow Direction Louver1 Louver2 from Position 0 Position 1 Position 2 Position 0 Position 0 Position 3 Position 4 Swing Auto using buttons. Setting Selecting Swing will cause the airfl ow Airflow Direction direction louver to swing position 0 to 4.

  • Page 27: Individual Airflow Direction

    SiUS721424EB Details for Each Menu Item Individual Airflow Direction Louver Setting Operation Display the main menu screen. Main Menu Airflow Direction Individual Airflow Direction Ventilation Select Individual Airfl ow Direction Schedule Off Timer Celsius / Fahrenheit press Menu/OK button. Setting Select Louver Setting and press...
  • Page 28 Details for Each Menu Item SiUS721424EB Louver Setting List Operation Display the individual airfl ow direction Individual Airflow Direction Louver Setting screen. Louver Setting List Reset All Louvers Position Press buttons to select Louver Setting List and press Setting Menu/OK button. A table shows the current settings.

  • Page 29: Ventilation

    SiUS721424EB Details for Each Menu Item Ventilation Ventilation screen display properties Operation Display the main menu screen. Main Menu Airflow Direction Individual Airflow Direction Ventilation Press buttons to select Ventilation Schedule Off Timer Celsius / Fahrenheit on the main menu screen. Setting (For models with no ventilation function, Ventilation...
  • Page 30 Details for Each Menu Item SiUS721424EB Changing the ventilation mode Operation Display the ventilation screen. Ventilation Ventilation Rate Ventilation Mode Press buttons to select Ventilation Mode on the ventilation Setting screen. Press Menu/OK button to display the ventilation mode screen. Pressing buttons cycles through the Ventilation...

  • Page 31: Schedule

    SiUS721424EB Details for Each Menu Item Schedule Setting the schedule Operation The schedule will disappear when a multi-zone controller is connected, but can be re-enabled by field setting. Display the main menu screen. Main Menu Airflow Direction Individual Airflow Direction Ventilation Press buttons to select...
  • Page 32 Details for Each Menu Item SiUS721424EB Daily Patterns Operation The schedule screen will appear. Schedule Enable/Disable Press buttons to Daily Patterns Settings select Daily Patterns on the schedule screen. Setting The daily patterns screen will appear when Menu/OK button is pressed. Schedule Press buttons to...
  • Page 33 SiUS721424EB Details for Each Menu Item Settings Operation The schedule screen will appear. Schedule Enable/Disable Press buttons to select Settings Daily Patterns Settings on the schedule screen. The settings screen will appear when Setting Menu/OK button is pressed. Press buttons to select the day to Schedule Time Cool...
  • Page 34 Details for Each Menu Item SiUS721424EB A maximum of fi ve actions per day can be Schedule Time Cool Heat set. – 6 :00 – 8 :00 Press Menu/OK button when settings – 5 :30 – – – – – – :– – – – for each day are completed.
  • Page 35 SiUS721424EB Details for Each Menu Item Enabling or disabling the schedule Operation Display the schedule screen. Schedule Enable/Disable Daily Patterns Settings Press Setting Press buttons to select Enable Schedule Enable/Disable Disable on the enable/disable Disable screen. Press Menu/OK button after selecting Setting the item.

  • Page 36: Off Timer

    Details for Each Menu Item SiUS721424EB Off Timer Configuring and Confirming the Off Timer settings Operation Display the main menu screen. Main Menu Airflow Direction Individual Airflow Direction Ventilation Press buttons to select the Schedule Off Timer Celsius / Fahrenheit Off Timer on the main menu screen.
  • Page 37 SiUS721424EB Details for Each Menu Item Enabling or disabling the off timer Operation Navigate to the off timer screen. Off Timer Enable/Disable Settings Press buttons to select Enable/Disable on the off timer screen. Setting Press Menu/OK button to display the enable/disable screen.

  • Page 38: Filter Auto Clean

    Details for Each Menu Item SiUS721424EB Filter Auto Clean Filter Auto Clean Setting Air conditioning operation of the product will come to a stop while the product is performing filter auto cleaning. Specify the desired period from eight periods. NOTE Method of Specifying Start Time Operation Method Main Menu...
  • Page 39 SiUS721424EB Details for Each Menu Item ressed Filter Auto Clean Filter Auto Clean 12:00 – 3:00 Setting ress ress Filter Auto Clean Save the settings? ress Setting NOTE slots of 3 hours, error code AH09 displays on the remote controller. The error code remains displayed as long as the function is not completed, but the unit can operate normally at all times.
  • Page 40 Details for Each Menu Item SiUS721424EB PREPARATION Set clock from menu NOTE Resetting Dust Collection Sign Operation Method Auto Set to Cool Cool Heat ress Collect dust Dust Collection Method ress Setting ress Dust Collection Method Dust collected? ress Setting Auto Set to Cool...

  • Page 41: Maintenance Information

    SiUS721424EB Details for Each Menu Item Maintenance Information Displaying service contact and model information Operation Display the main menu screen. Main Menu Filter Auto Clean Maintenance Information Configuration Press buttons to select Current Settings Clock & Calendar Daylight Saving Time Maintenance Information on the main Setting...

  • Page 42: Configuration

    Details for Each Menu Item SiUS721424EB Configuration Draft Prevention Operation Display the main menu screen. Main Menu Filter Auto Clean Maintenance Information Configuration Press buttons to select Current Settings Clock & Calendar Confi guration and press Menu/OK Daylight Saving Time Setting button.
  • Page 43 SiUS721424EB Details for Each Menu Item Contrast Adjustment Operation Navigate to the confi guration screen. Configuration Draft Prevention Contrast Adjustment Display Press buttons to select Contrast Adjustment on the Setting confi guration screen. Press Menu/OK button to display the contrast adjustment screen. On the contrast adjustment screen press Contrast Adjustment buttons until you reach the desired...
  • Page 44 Details for Each Menu Item SiUS721424EB Display Item Operation Navigate to the display screen. Display Display Mode Standard Display Item Room Press buttons to select Display Item on the display screen. Setting Press Menu/OK button to display the display item screen. Display Pressing buttons displays the following.

  • Page 45: Current Settings

    SiUS721424EB Details for Each Menu Item Current Settings Confirming the current settings Operation Display the main menu screen. Main Menu Filter Auto Clean Maintenance Information Configuration Press buttons to select Current Settings Clock & Calendar Daylight Saving Time Current Settings on the main menu Setting screen and press Menu/OK button.

  • Page 46: Clock & Calendar

    Details for Each Menu Item SiUS721424EB 2.10 Clock & Calendar Date & Time Operation Display the main menu screen. Main Menu Filter Auto Clean Press buttons to select Maintenance Information Configuration Clock & Calendar on the main menu Current Settings Clock &...
  • Page 47 SiUS721424EB Details for Each Menu Item Select Minute with buttons. Date & Time Year 2016 Change the minute with buttons. Month 10 Friday Holding down the button causes the 12:21 number to change continuously. Setting Press Menu/OK button. The confi rmation screen will appear. Note: The date can be set between January 1, 2015 and December 31, 2099.

  • Page 48: Daylight Saving Time

    Details for Each Menu Item SiUS721424EB 2.11 Daylight Saving Time How to display Daylight Saving Time Operation Display the main menu screen. Main Menu Filter Auto Clean Press buttons to Maintenance Information Configuration select Daylight Saving Time on the Current Settings Clock &...
  • Page 49 SiUS721424EB Details for Each Menu Item Setting the date Operation Display the daylight saving time screen. Daylight Saving Time Enable/Disable DST Dates Press buttons to select DST Dates on the daylight saving time Setting screen. Press Menu/OK button to display the duration setting screen. Press buttons to select the start Daylight Saving Time...

  • Page 50: Language

    Details for Each Menu Item SiUS721424EB 2.12 Language Selectable Languages Operation Display the main menu screen. Main Menu Language Press buttons to select Language on the main menu screen Setting and press Menu/OK button. Press buttons to select the preferred Language language on the language screen.

  • Page 51: Reset Filter Indicator

    SiUS721424EB Details for Each Menu Item 2.13 Reset Filter Indicator Operation When it is time to clean or replace the fi lter, one of the following messages will be displayed on the Cool Set to bottom of the basic screen. Time to clean fi...

  • Page 52: Part 3 Service Settings

    SiUS721424EB Part 3 Service Settings 1. Service Settings Menu List................44 2. Details for Each Menu Item...............45 2.1 Test Operation.................... 45 2.2 Maintenance Contact ................. 46 2.3 Field Settings....................47 2.4 Energy Saving Options................50 2.5 Prohibit Function ..................54 2.6 Min Setpoints Differential ................56 2.7 Group Address ...................

  • Page 53: Service Settings Menu List

    SiUS721424EB Service Settings Menu List 1. Service Settings Menu List The remote controller allows you to change the settings for individual functions of a whole system or individual indoor/outdoor units. It can also provide various display functions. Follow the steps below to use the setting and display functions. Basic screen is displayed.

  • Page 54: Details For Each Menu Item

    Details for Each Menu Item SiUS721424EB 2. Details for Each Menu Item Test Operation The following procedure allows you to start a test operation. "Test operation" will be displayed at the bottom of the screen when the test operation function is ON. Test operation starts when the “On/Off” button is pressed within 10 seconds after the test operation is turned ON.

  • Page 55: Maintenance Contact

    SiUS721424EB Details for Each Menu Item Maintenance Contact The contact phone numbers to call when service is necessary can be registered. (Accessing the Main Menu allows you to view the registered contact information.) Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed.

  • Page 56: Field Settings

    Details for Each Menu Item SiUS721424EB Field Settings The menu item "Field Settings" is especially convenient when specifying multiple settings for a given mode, or when checking the current settings. <Individual setting for indoor units> Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed.
  • Page 57 SiUS721424EB Details for Each Menu Item <Group batch setting> Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Press Press and hold Select each "Cancel" "Cancel" button relevant "Second button for 4 seconds Code No." and once.
  • Page 58 Details for Each Menu Item SiUS721424EB <Remote controller setting> Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Press Press and hold Select each "Cancel" "Cancel" button relevant "Second button for 4 seconds Code No." and once.

  • Page 59: Energy Saving Options

    SiUS721424EB Details for Each Menu Item Energy Saving Options The remote controller can limit the settable temperature range and set the temperature at which setback function stops operating. The set temperature range may be disabled when centralized control equipment is connected. Service settings menu Item 2 Item 3...
  • Page 60 Details for Each Menu Item SiUS721424EB 2.4.2 Setback Configuration Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Select the Press Press and temperature using "Cancel" hold "Cancel" the " / button button for 4 (Up/Down)"...
  • Page 61 SiUS721424EB Details for Each Menu Item 2.4.3 Auto-setback by Sensor Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Press Press and "Cancel" hold "Cancel" button button for 4 Select Enable or Select "Energy Saving once.
  • Page 62 Details for Each Menu Item SiUS721424EB 2.4.4 Auto-off by Sensor Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Select Enable or Press Press and Disable and set hours "Cancel" hold "Cancel" for auto-off using the button button for 4 "...

  • Page 63: Prohibit Function

    SiUS721424EB Details for Each Menu Item Prohibit Function This function prevents the user from operating buttons. Buttons can be enabled or disabled individually. 2.5.1 Setting method <Prohibit buttons> Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed.
  • Page 64 Details for Each Menu Item SiUS721424EB <Prohibit mode> Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Press Press and hold Select the settings "Cancel" "Cancel" button using the " " button for 4 seconds button and press once.

  • Page 65: Min Setpoints Differential

    SiUS721424EB Details for Each Menu Item Min Setpoints Differential This function defines the minimum difference between the set heating and cooling temperatures. This function is disabled when a centralized remote controller is connected. Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed.

  • Page 66: Group Address

    Details for Each Menu Item SiUS721424EB Group Address 2.7.1 Group Address (Group) <When initializing Group Address> Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Group Address" and then press "Menu/OK" button.
  • Page 67 SiUS721424EB Details for Each Menu Item <When changing or canceling Group Address> Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Group Address" and then press "Menu/OK" button. Service Item 2 is settings menu displayed.
  • Page 68 Details for Each Menu Item SiUS721424EB 2.7.2 Group Address (Unit) <When initializing Group Address> Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Group Address" and then press "Menu/OK" button. Service Item 2 is settings menu...
  • Page 69 SiUS721424EB Details for Each Menu Item <When changing or canceling Group Address> Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Group Address" and then press "Menu/OK" button. Service Item 2 is settings menu displayed.

  • Page 70: Indoor Unit Airnet Address

    Details for Each Menu Item SiUS721424EB Indoor Unit AIRNET Address <When initializing AIRNET Address> Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Indoor unit AirNet Select the desired Unit No. using Select the desired AIRNET Address"...

  • Page 71: Outdoor Unit Airnet Address

    SiUS721424EB Details for Each Menu Item Outdoor Unit AIRNET Address <When initializing AIRNET Address> Basic screen is displayed. Press Press and "Cancel" hold "Cancel" button button for 4 once. seconds or Select "Outdoor unit Select the desired Unit No. using Select the desired AIRNET more.

  • Page 72: Error History

    Details for Each Menu Item SiUS721424EB 2.10 Error History <How to check the remote controller history> Basic screen is displayed. Press and Press hold "Cancel" "Cancel" button for 4 button seconds or Select "RC Error History" once. more. Select "Error History" and and press "Menu/OK"...

  • Page 73: Indoor Unit Status

    SiUS721424EB Details for Each Menu Item 2.11 Indoor Unit Status Basic screen is displayed. Press and Press hold "Cancel" "Cancel" button for 4 button seconds or once. more. Select "Indoor Unit Status" and press "Menu/OK" button. Service Select the desired Unit No. Item 2 is using the "...

  • Page 74: Outdoor Unit Status

    Details for Each Menu Item SiUS721424EB 2.12 Outdoor Unit Status Basic screen is displayed. Press and Press hold "Cancel" "Cancel" button for 4 button seconds or once. Select the item you want more. to check and press "Menu/OK" button. Select the desired Unit Service Item 2 is No.

  • Page 75: Switch Main Sub Controller

    SiUS721424EB Details for Each Menu Item 2.14 Switch Main Sub Controller The designation of the main and sub remote controllers can be swapped. Note that this change requires turning the power OFF and then ON again. Basic screen Select "Main RC" or is displayed.

  • Page 76: Test Filter Auto Clean

    Details for Each Menu Item SiUS721424EB 2.16 Test Filter Auto Clean Press and hold "Cancel" Select "Test Filter Auto button for 4 seconds or Clean" and press Service Basic screen more. "Menu/OK" button. Basic screen settings menu is displayed. is displayed. is displayed.

  • Page 77: Disable Filter Auto Clean

    SiUS721424EB Details for Each Menu Item 2.18 Disable Filter Auto Clean Confirmation Basic screen Select "Yes" and press "Menu/OK" button. screen is is displayed. displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "Disable Filter Auto Clean"...

  • Page 78: Part 4 Maintenance Menu

    SiUS721424EB Part 4 Maintenance Menu 1. Maintenance Menu List ................70 2. Details for Each Menu Item...............72 2.1 Model Name ....................72 2.2 Operation Hours ..................73 2.3 Indoor Unit Status..................74 2.4 Outdoor Unit Status..................75 2.5 Forced Defrost.................... 76 2.6 Error Display....................

  • Page 79: Maintenance Menu List

    SiUS721424EB Maintenance Menu List 1. Maintenance Menu List Operating the remote controller allows service data to be acquired and various services to be set. Basic screen is displayed. Press "Cancel" Press button. "Cancel" Press and hold "Cancel" button button for 4 seconds or more. once.
  • Page 80 Maintenance Menu List SiUS721424EB Maintenance Menu Item 2 Remarks 2.3 Indoor Unit Status 10.FLOAT 11.T1/T2 12.Unit No. Select the Unit No. you want to check. 13.Th1 Suction air thermistor 14.Th2 Heat exchanger liquid pipe thermistor 15.Th3 Heat exchanger gas pipe thermistor 16.Th4 Discharge air thermistor ∗...

  • Page 81: Details For Each Menu Item

    SiUS721424EB Details for Each Menu Item 2. Details for Each Menu Item Model Name Basic screen is displayed. Press Press and hold Press "Cancel" "Cancel" "Cancel" button button. button for 4 seconds once. or more. Service settings menu is displayed. Press and hold "Cancel"...

  • Page 82: Operation Hours

    Details for Each Menu Item SiUS721424EB Operation Hours Basic screen is displayed. Press Press and hold Press "Cancel" "Cancel" "Cancel" button button. button for 4 seconds once. or more. Service settings menu is displayed. Press and hold "Cancel" button for 4 seconds or more.

  • Page 83: Indoor Unit Status

    SiUS721424EB Details for Each Menu Item Indoor Unit Status Basic screen is displayed. Press Press and hold Press "Cancel" "Cancel" "Cancel" button button. button for 4 seconds or once. more. Service settings menu is displayed. Press and hold "Cancel" button for 4 seconds or more.

  • Page 84: Outdoor Unit Status

    Details for Each Menu Item SiUS721424EB Outdoor Unit Status Basic screen is displayed. Press Press and hold Press "Cancel" "Cancel" "Cancel" button button. button for 4 seconds or once. more. Service settings menu is displayed. Press and hold "Cancel" button for 4 seconds or more.

  • Page 85: Forced Defrost

    SiUS721424EB Details for Each Menu Item Forced Defrost Basic screen is displayed. Press "Cancel" button. Press Press and hold "Cancel" "Cancel" button button for 4 seconds or once. more. Service settings menu is displayed. Select "ON" or "OFF" Press and hold "Cancel"...

  • Page 86: Error Display

    Details for Each Menu Item SiUS721424EB Error Display Press "Cancel" Basic screen button. is displayed. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Select "ON" or Service "OFF" and press settings menu "Menu/OK" is displayed. "ON"...

  • Page 87: Swap Unit No

    SiUS721424EB Details for Each Menu Item Swap Unit No. Basic screen is displayed. Press "Cancel" button. Press Press and hold "Cancel" "Cancel" button button for 4 seconds once. or more. Service settings menu is displayed. Select the desired Unit Press and hold No.

  • Page 88: Addressed Sensor Value

    Details for Each Menu Item SiUS721424EB Addressed Sensor Value Basic screen is displayed. Press Press and hold "Cancel" "Cancel" button for button 4 seconds or once. more. Service settings menu is displayed. Press and hold "Cancel" button for 4 seconds or more.

  • Page 89: Part 5 Troubleshooting

    SiUS721424EB Part 5 Troubleshooting 1. Checking Error Codes................81 Troubleshooting...

  • Page 90: Checking Error Codes

    Checking Error Codes SiUS721424EB 1. Checking Error Codes The following will be displayed on the screen when an error (or a warning) occurs during operation. Check the error code and take the corrective action specified for the particular model. Screen Operation lamp (1) Checking an error or warning Operation Status...
  • Page 91 Revision History Month / Year Version Revised contents 03 / 2015 SiUS721424E First edition 05 / 2015 SiUS721424EA Correction of description 11 / 2015 SiUS721424EB Addition of information regarding Filter Auto-Cleaning, etc.
  • Page 92 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.

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