Lennox iComfort S30 Installation And Setup Manual page 52

Initial notification of critical alerts will pop up on the home screen and will be listed under notification menu. Minor and moderate alerts are found only under the notification menu.
* Current Lennox modulating outdoor units are XC20, XP20, XC25 and XP25.
Applicable
Alert Priority
System
Code Condition
Component(s)
38 Critical Thermostat
39 Critical Thermostat
Table 18. Alert Codes and Troubleshooting
Actual
Displayed Alert Component or System Operational State and Troubleshooting Tip
Text
The system has not been able to turn on the heating for more than 45 minutes.
• The system will go off-line for 60 minutes and will attempt to restart itself.
• Run the system in diagnostic mode and verify that it matches actual equipment operation. Go
Not Heating
to menu > settings > advance settings > dealer control center > diagnostics and press
when
the start diagnostics button
Requested
DEVICE2
• Check for other alert codes that may be preventing the system from operating as expected.
• Check all heating equipment to determine cause.
• Recycle power.
The system has not been able to turn on the cooling for more than 45 minutes.
• The system will go off-line for 60 minutes and will attempt to restart itself.
• Run the system in diagnostic mode and verify that it matches actual equipment operation. Go
No Cooling
to menu > settings > advance settings > dealer control center > diagnostics and press
when
the start diagnostics button
Requested
DEVICE2
• Check for other alert codes that may be preventing the system from operating as expected.
• Check all cooling equipment to determine cause.
• Recycle power.
52
How to clear alert code
Automatically clears when the
system detects that the issue no
longer exists.
This alert code will automatically
clear when the system detects
the issue no longer exists.