Danfoss LX205T User Manual Download

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PaGE 62

12. Troubleshooting

Error messages
If a fault or error occurs, the thermostat will display one of the following error
messages:

• E0: Internal failure. The thermostat is defective. Contact your installer.
The thermostat must be replaced.

• E1: Internal sensor defective or short-circuited. Contact your installer.
The thermostat must be replaced.

• E2: External wired floor sensor disconnected, defective, or short-circuited.
Contact your installer for reconnection or replacement.

• E5: Internal overheating. Contact your installer in order to have the installation

inspected.

Note! If any of the above mentioned errors occur, the heating is shut off.

• Three circles containing dots are shown on the screen; the thermostat cannot be

operated.

The thermostat is in “Child Lock” mode. See the section titled “

child lock

” in this

manual for instructions on how to unlock it.

Contents

Summary of Contents for LX205T

Page 1: ...www lx danfoss com 2015 OJ Electronics A S LX205T Touch Thermostat Interactive User Manual 67567 11 15 ALA Contents...

Page 2: ...few days 28 9 2 1 3 Adjust permanently 29 9 3 Regulator Mode 30 10 Thermostat Setup Menu 31 10 1 Heating Schedule 1 2 32 10 1 Heating Schedule 2 2 33 10 2 Energy Use 34 10 3 User Settings 35 10 3 1 Ch...

Page 3: ...tings Installer Settings View Edit Schedule Revert to Factory Schedule Child Lock Display Brightness Screen Saver Energy Tariff Date Time Daylight Saving Time Unit Language Information Support Adaptiv...

Page 4: ...emperature when your home is unoccupied will reduce your energy costs without reducing comfort The thermostat comes with a preset heating schedule that is suitable for most homes Unless you change the...

Page 5: ...the right side of the thermostat The GFCI should be tested monthly all settings including time and date will be remembered The thermostat is an intuitively operated touch thermostat in which the touc...

Page 6: ...tton to return to the previous menu Cancel is shown on the screen as a button marked X Although Cancel has the same effect as Back it also results in all the unsaved settings being discarded As soon a...

Page 7: ...GFCI The red LED will stop flashing and the display returns to normal appearance If the test fails repeat the test If it continues to fail ask an electrician to check the installation If during normal...

Page 8: ...hing the power off and then back on again If the thermostat re enters ERROR state ei ther the wiring is wrong a ground neutral short exists or the unit is defective and must be replaced 4 LED lit cons...

Page 9: ...Display Brightness Screen Saver s en saver Icon Meaning Energy Tariff Date Time Daylight Saving Time Unit Language Information Support 7 5 Icon Meaning Adaptive Function Open Window Sensor Applicatio...

Page 10: ...Arrow Left Arrow Right icons screen saver icons Icon Meaning Copy to Adjust for a few days in the future is activated Heating is activated Heating is activated with adaptive mode Note screen saver ic...

Page 11: ...e first time or after you have performed a factory reset the system will run a Startup Wizard The Wizard will take you through tests which ensure that the thermostat is fully functional After the test...

Page 12: ...e First you must set the language The chosen language will become the default language for the thermostat The language can be changed under Menu User Settings Language 1 Tap the language you prefer 2...

Page 13: ...omatic test of the thermostat and sensors If a test results in Fail please contact your installer Note if the thermostat is to operate with an air room sensor only the floor sensor test will result in...

Page 14: ...p of the thermostat The test is successful if the red light in the test button lights up and a Ground Fault error text is shown on the display 2 Press the power reset button on the lower right side of...

Page 15: ...lectronics A S 7 4 Set the preferred temperature unit 1 Tap the temperature unit that you prefer 2 Tap the Arrow Right button to continue The temperature unit can be changed under Menu User Settings U...

Page 16: ...S 7 5 Set the floor load 1 Set the load of the underfloor heating system to be controlled by the thermostat 2 Tap the Arrow Right button to continue This setting can be changed later if a factory res...

Page 17: ...installed in the floor 2 Tap the Arrow Right button to continue If you want to use the thermostat with the room sensor only you must complete the Setup Wizard using Default as the floor sensor type b...

Page 18: ...ectronics A S 7 7 Set the date 1 Tap the Arrow buttons to change the values 2 Tap the preferred date format 3 Tap the Arrow Right button to continue The date can be changed under Menu User Settings Da...

Page 19: ...ectronics A S 7 8 Set the time 1 Tap the Arrow buttons to change the values 2 Tap the preferred time format 3 Tap the Arrow Right button to continue The time can be changed under Menu User Settings Ti...

Page 20: ...protection Set the floor protection according to the floor type 1 Tap the preferred limits that are used to protect the floor 2 Tap to continue Floor protection settings can be changed under Menu Ins...

Page 21: ...PAGE 21 2015 OJ Electronics A S 7 10 Thermostat activation 1 Tap the button to activate the thermostat 1 Contents...

Page 22: ...atically according to a weekly schedule of your choice The thermostat comes with a preprogramed schedule for easy and economic heating control of most homes see 11 Factory Settings Preset Schedule The...

Page 23: ...5 OJ Electronics A S 9 1 Scheduled operation 9 2 Manual Operation 9 2 1 Manual Operation Adjust 9 2 1 1 For a few hours 9 2 1 2 For a few days 9 2 1 3 Permanently 9 3 Regulator Mode 9 Operating Choice...

Page 24: ...symbols shown on the home screen varies according to the chosen operating mode Scheduled Operation home screen 1 Day and time 2 Measured temperature 3 Heating indicator If visible the underfloor heat...

Page 25: ...e 3 Heating indicator If visible the underfloor heating system is currently active 4 Tap here to access the menu 5 Current target temperature setpoint 6 Tap here to increase the temperature 7 Tap here...

Page 26: ...change or for a specific time period You can use the Adjust options to specify the length of time the displayed target temperature setpoint should last When the set time period has elapsed the thermo...

Page 27: ...24 hours You can set the Hour Minutes in 15 minute intervals 00 15 30 or 45 AM or PM if 24 hour time format is selected this is not applicable 1 On the home screen adjust the temperature to the prefe...

Page 28: ...tton 3 Then tap the for a few days button 4 Tap the Arrow buttons for any parameter that you want to change for the start date 5 Confirm your choice with Arrow Right or discard it with X 6 If confirme...

Page 29: ...finitely until you manually change the settings 1 On the home screen adjust the temperature to the preferred level using the Arrow Up and Arrow Down buttons 2 Tap the Adjust button 3 Then tap the perm...

Page 30: ...enu Installer Settings Sensor Application Regulator Note Regulator mode is not available with software version 1012N100 1 Day and time 2 Measured temperature if available 3 Heating indicator If visibl...

Page 31: ...PAGE 31 2015 OJ Electronics A S 10 Thermostat Setup Menu icons screen saver Heating Schedule Energy Use User Settings Installer Settings Contents...

Page 32: ...Copy to Arrow Left and Arrow Right buttons are located in the corners of the screen The day for which the event applies is displayed at the bottom of the screen Grayed out events marked with a red X a...

Page 33: ...py to button in the top right corner of the screen This will allow you to copy the event settings to other days specified by you 9 If you want to set other days differently tap the Arrow Left or Arrow...

Page 34: ...during each day of the past seven days will be displayed The graph shows hours per day Last 12 months A graph of usage during each month of the past year will be displayed The graph shows hours per mo...

Page 35: ...ttings you can change the settings of the following items Note if an item is grayed out it is not available due to other settings Child Lock Display Brightness Screen Saver Energy Tariff Date Time Day...

Page 36: ...not been operated for a few minutes it takes 15 seconds to dim the display and a further two minutes before the screen saver starts Before you can operate the thermostat again you must unlock the chil...

Page 37: ...Lock 2 2 Please note that the child lock will be reactivated when the thermostat returns to screen saver mode unless it is deactivated under Menu User Settings Child Lock Note Child Lock is not avail...

Page 38: ...n on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Display Brightness button 4 Select one of the five levels of brightness using the Arrow Up or Arr...

Page 39: ...on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Screen Saver button 4 Tap the information that you want to be shown in screen saver mode Temperatu...

Page 40: ...mption and the cost of heating for a given period of time 1 Tap the Menu button on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Energy Tariff butto...

Page 41: ...e home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Date button 4 Tap the Arrow Up or Arrow Down button to set the date month and year 5 Tap the date format...

Page 42: ...on on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Time button 4 Tap the Arrow Up or Arrow Down button to set the hours minutes and AM PM 5 Tap the...

Page 43: ...button on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Arrow Right button to access the second page of User Settings 4 Tap the Daylight Saving Tim...

Page 44: ...screen 2 Tap the Arrow Right button to access the second page of User Settings 3 Tap the Unit button 4 Tap the unit that you prefer Celsius Fahrenheit 5 Confirm your choice with or discard it with X T...

Page 45: ...Then tap the User Settings button to access the various user settings 3 Tap the Arrow Right button to access the second page of User Settings 4 Tap the Language button 5 Tap the language that you pre...

Page 46: ...ation button 5 To obtain detailed information you can scan the QR Code with a suitable device with Internet access Software supporting QR Code scanning e g an app is required Scanning the QR Code prov...

Page 47: ...al before calling for support If troubleshooting does not help you should contact your installer 1 Tap the Menu button on the home screen 2 Then tap the User Settings button to access the various user...

Page 48: ...ap the Menu button on the home screen 2 Then tap the User Settings button to access the various user settings 3 Tap the Arrow Right button to access the second page of User Settings 4 Tap the User Res...

Page 49: ...ngs you can change the settings of the following items Note if an item is grayed out it is not available due to other settings Adaptive Function Open Window Sensor Application Sensor Type Floor Sensor...

Page 50: ...arlier the heating must be turned on to achieve this Select OFF if you simply want the heating to start at the beginning of an event 1 Tap the Menu button on the home screen 2 Then tap the Installer S...

Page 51: ...ton on the home screen 2 Then tap the Installer Settings button to access the various installer settings 3 Tap the Open Window button 4 Tap the OFF ON button to the setting that you prefer 5 Confirm y...

Page 52: ...built into the thermostat controls the heating system Note Floor Protection is not active while using the Sensor Application Room Note that certain menu options will be grayed out and inaccessible as...

Page 53: ...he Sensor Application button 4 Tap the application that you want to use Floor Room Floor Protection Room Regulator 5 Confirm your choice with or discard it with X The thermostat will automatically ret...

Page 54: ...nsor 12 k Custom 1 Tap the Menu button on the home screen 2 Then tap the Installer Settings button to access the various installer settings 3 Tap the Sensor Type button 4 Tap the type of floor sensor...

Page 55: ...es for which resistance must be set Then repeat steps 6 7 until all four resistance values have been set 8 When all four values are set tap the Arrow Right button 9 A warning screen will be displayed...

Page 56: ...in steps of 1 F or 0 5 C in the following way 1 Tap the Menu button on the home screen 2 Then tap the Installer Settings button to access the various installer settings 3 Tap the Floor Sensor Calibra...

Page 57: ...in steps of 1 F or 0 5 C in the following way 1 Tap the Menu button on the home screen 2 Then tap the Installer Settings button to access the various installer settings 3 Tap the Room Sensor Calibrati...

Page 58: ...e the minimum and maximum temperatures that the floor is permitted to reach The maximum temperature limit protects wooden floors from excessive heat The minimum temperature limit prevents the floor fr...

Page 59: ...your floor If Tile Laminate or Disabled is selected proceed to step 8 6 If Custom is chosen you must define minimum and maximum temperatures for the floor 7 Use the Arrow Up or Arrow Down buttons to...

Page 60: ...to access the various installer settings 3 Tap the Arrow Right button to access the second page of Installer Settings 4 Tap the Factory Reset button 5 Tap Back if you want to maintain your settings a...

Page 61: ...88 F 31 C 2 09 00 AM 74 F 23 5 C 74 F 23 5 C 3 12 00 PM 82 F 28 C 88 F 31 C x 4 01 00 PM 74 F 23 5 C 74 F 23 5 C x 5 05 00 PM 82 F 28 C 88 F 31 C 6 11 00 PM 74 F 23 5 C 74 F 23 5 C Saturday Sunday Eve...

Page 62: ...ermostat must be replaced E2 External wired floor sensor disconnected defective or short circuited Contact your installer for reconnection or replacement E5 Internal overheating Contact your installer...

Page 63: ...The OJ trademark is a registered trademark belonging to OJ Electronics A S 2015 OJ Electronics A S Danfoss 11655 Crossroads Circle Baltimore MD 21220 1 866 676 8062 www lx danfoss com Contents...

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