Lennox iComfort S30 Installation And Setup Manual page 48

Table 1 Alert Codes and Troubleshooting
Applicable
Alert Priority
System
Code Condition
Component(s)
37 Critical Thermostat
38 Critical Thermostat
39 Critical Thermostat
Critical alerts are displayed on the Home screen, in the Homeowner alert button, and in the Installer alert button.
Minor and moderate alerts are found only in the Installer alert button.
Actual Displayed Alert
Component or System Operational State and Troubleshooting Tip
Text
The system has been cooling for at least 15 minutes, without a demand for
cooling.
√ Run the system in diagnostic mode and verify that it matches actual equip­
ment operation. Go to menu > settings > advance settings > dealer con­
Cooling when not trol center > diagnostics and press the start diagnostics button.
Requested DEVICE2
√ Check for other alert codes that may be preventing the system from operat­
ing as expected.
√ Check all cooling equipment to determine cause of cooling demand.
√ Recycle power.
The system has not been able to turn on the heating for more than 45 min­
utes.
√ The system will go offline for 60 minutes and will attempt to restart itself.
√ Run the system in diagnostic mode and verify that it matches actual equip­
ment operation. Go to menu > settings > advance settings > dealer con­
Not Heating when
trol center > diagnostics and press the start diagnostics button.
Requested DEVICE2
√ Check for other alert codes that may be preventing the system from operat­
ing 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 min­
utes.
√ The system will go offline for 60 minutes and will attempt to restart itself.
√ Run the system in diagnostic mode and verify that it matches actual equip­
ment operation. Go to menu > settings > advance settings > dealer con­
No Cooling when
trol center > diagnostics and press the start diagnostics button.
Requested DEVICE2
√ Check for other alert codes that may be preventing the system from operat­
ing as expected.
√ Check all cooling equipment to determine cause.
√ Recycle power.
48
How to clear alert code
Automatically clears when the
system detects that the issue no
longer exists.
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.