Lennox International Inc XP1906, XP2101, XC2105, XC1702, XP1702 Alert Codes and Troubleshooting

Page 51

Table 5. Alert Codes and Troubleshooting

Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer

alert button. Minor and Moderate alerts are found only in the Installer alert button.

 

 

 

Alert

 

 

 

Code

Priority

Alert Text

Steps to clear

 

 

 

 

345

Critical

(Air Handler) The

O relay / Stage 1 failed. Pilot relay contacts did not close or the relay coil did not energize. Replace

 

 

has failed. Either the pilot relay contacts did not

control. Cleared after the fault recovered following reset.

 

 

close or the relay coil did not energize.

 

 

 

 

 

346

Critical

(Air Handler) The heat pump jumper was not

Configuration link(s) not removed on control. Cut O−R. Applicable with non communicating outdoor

 

 

removed on the air−handler control board.

unit with communicating indoor system.

 

 

 

 

347

Critical

(Furnace / Air Handler) The

Operation stopped. Y1 relay / Stage 1 failed. (Pilot relay contacts did not close or

 

 

(furnace or air−handler) has failed. Either the

the relay coil did not energize; no input back to IFC chip). Critical Alert. Cleared after reset and Y1

 

 

pilot relay contacts did not close or the relay

input sensed.

 

 

coil did not energize.

 

 

 

 

 

348

Critical

(Furnace / Air Handler) The

Y2 relay / Stage 2 failed. (Pilot relay contacts did not close or the relay coil did not energize; no input

 

 

(furnace or air−handler) has failed. Either the

back to IFC chip). Critical Alert. Cleared after reset and Y1 input sensed.

 

 

pilot relay contacts did not close or the relay

 

 

 

coil did not energize.

 

 

 

 

 

349

Critical

(Furnace) The

Configuration link R to O needs to be restored. Replace link or hard−wire. Applicable in non commu-

 

 

needs to be restored.

nicating mode. Critical Alert.

 

 

 

 

350

Critical

(Air Handler) The air−handler’s electric heat is

Heat call with no configured or mis−configured electric heat. Check for proper configuring under

 

 

not configured.

Configuring Electric Heat Stages in the air handler installation instructions. Cleared after electrical

 

 

 

heat detection is successful.

 

 

 

 

351

Critical

(Air Handler) There is a problem with the air−

Heat section / Stage 1 failed. (Pilot relay contacts did not close, or the relay coil in the electric heat

 

 

handler’s 1st stage electric heat. Either the pilot

section did not energize.) Air handler will operate on 1st stage for reminder of the heat call. Will clear

 

 

relay contacts did not close, or the relay coil in

after fault recovered.

 

 

the electric heat section did not energize.

 

 

 

 

 

352

Critical

(Air Handler) There is a problem with the air−

Heat section / Stage 2 failed (Same as Code 351).

 

 

handler’s 2nd stage electric heat. Either the pi-

 

 

 

lot relay contacts did not close, or the relay coil

 

 

 

in the electric heat section did not energize. The

 

 

 

air−handler will operate on 1st stage electric

 

 

 

heat until the issue is resolved.

 

 

 

 

 

353

Critical

(Air Handler) There is a problem with the air−

Heat section / Stage 3 failed (Same as Code 351).

 

 

handler’s 3rd stage electric heat. Either the pilot

 

 

 

relay contacts did not close, or the relay coil in

 

 

 

the electric heat section did not energize. The

 

 

 

air−handler will operate on 1st stage electric

 

 

 

heat until the issue is resolved.

 

 

 

 

 

 

 

 

table continued on next page

Page 51

icomfort Wi-Fit 7−Day Programmable Communicating Thermostat

Page 50 Page 52
Image 51
Page 50 Page 52
Contents CONTROLS INSTALLER’S SYSTEM SETUP GUIDEicomfortt−Enabled Units 2P0912**P506920-01Setting up typical icomfortt systems Table of ContentsPage Supports Outdoor Temperature Sensor optionFigure 1. icomfort by Lennoxt system Installation and Setup Figure 4. Entering Change settingsFigure 3. Settings change tools Dealer NumberTable 1. System setting defaults and range Circulate fan ON time settingFigure 6. Set current time and date Set time and date09 39 am Figure 5. View/edit time and dateFigure 7. Using the HUMIDITY CONTROL TIPS Add or Remove Non−communicating equipmentSystem Add Non−Communicating Outdoor unitFigure 8. Add non−communicating device red settingsHumidifier 5a 5bFigure 9. Add or remove non−communicating device SystemDehumidifier Figure 10. Add or remove non−communicating deviceSystem DehumidifierFigure 11. Adjust communicating device screens Adjust a setting screen communicating devicesFigure 12. Accessing device to modify Figure 13. Modify device settingsG71MPP or SLP98 Furnace Note Figure 14. Adjust a non−communicating device setting Figure 15. Adjust a non−communicating device setting Figure 16. Adjust dehumidification when not using Humiditrol or an auxiliary dehumidifier Humidification and Dehumidification Modes HUMIDIFICATION modesDEHUMIDIFICATION modes Figure 19. Typical tests results screens Use the Tests / Diagnostics featuresFigure 17. Start testing screen Figure 18. Select tests to run screenFigure 21. Equipment parameters screen Equipment, Alerts, DiagnosticsSet up Equipment parameters Figure 20. Testing finished screenFigure 22. Edit equipment details Run DiagnosticsView and clear Installer Alerts Figure 23. Select device and run diagnosticsFigure 26. Cleared alerts screen Figure 25. Cleared alert confirmationView cleared alerts Figure 24. Selecting and viewing alertsHERE Figure 27. Wi−Fi setupSecure Connection Recommended STARTRegistering the icomfort Wi-Fitthermostat Registration for online accessFigure 28. Change Networks Figure 30. icomfort Wi-FitRegistration screen Wi-FitTher Welcome homeHow Do I Upload a Skin? Figure 31. PC Welcome Screenyes no Access installer program from Home screenFigure 34. Re−configuration process Reconfigure a system2nd Stage Differential where applicable2 Rules for SSR Smooth Setback Recovery SSRHigh Balance Point Heat Pump, Dual Fuel and Balance PointsHeat Pump Balance Points Low Balance PointShut down HP Gas Heat Control Mode Figure 36. Variable Capacity Operation Flow ChartTable 2. Variable Capacity Furnace Operation Staged operationLoad−tracking Variable Capacity FAQs SLP98V only Installer entry Table 3. Adjustable Parameters Table InstallerLock in 2nd stage HP by Outdoor Temp Table 3. Adjustable Parameters Table InstallerAIR HANDLER Table 3. Adjustable Parameters Table InstallerGas Heat Airflow Settings Table 3. Adjustable Parameters Table InstallerFURNACE Cooling Airflow Settings Heat Pump Airflow SettingsTable 3. Adjustable Parameters Table Installer Table 3. Adjustable Parameters Table Installer Other ParametersTable 4. Adjustable Parameters Table User Filter 1 Timer Table 5. Alert Codes and Troubleshooting Alert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingTable 5. Alert Codes and Troubleshooting Homeowner Service Alert Codes8Corrective Action / Comments Table 6. Troubleshooting TipsIssue / Problem Possible CauseHigh Balance Point and Low Bal Table 6. Troubleshooting TipsDetermine the actual Software ver Table 6. Troubleshooting TipsDuring the cooling mode the dis Table 6. Troubleshooting Tipsicomfortt Communicating System Wiring Wiring Diagramsicomfort by Lennoxt AIR HANDLER AHC Wiring Diagramsfor use with any icomfort by Lennoxt system Optional Accessories WiringOptional Accessories Wiring for use with any icomfort by Lennoxt systemLVCS Ventilation Control System attached to the PUSHBUTTON TIPS Setting up typical systemsTIPS Setting up typical systemsT PUMP DUAL FUEL TIPSTIPS TIPS Setting up typical systemsTIPS TIPS Setting up typical systemsT PUMP UNITSTIPS Replacement Kit Catalog No Table 7. Replacement ControlsREVISION HISTORY icomfortt−Enabled Unit
Top Page Image Contents