Alert Codes And Troubleshooting - Lennox iComfort S30 Installation And Setup Manual

Notifications
These screens provide information on active notifications and previously cleared notifications. When selecting either a cleared or active notification a brief de­
scription and alert code will be displayed. Notifications are categorized by system, indoor unit (air handler or furnace), outdoor unit (air conditioner or heat pump),
zoning control (if installed) and iComfort
To expand a specification notification to access a more detail description of the alert code, press the down arrow to expand the description. See table 1 for details
on alert codes and troubleshooting advice.
S
Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Critical means that a service
call is needed to get the system running.
S
Minor and Moderate alerts are found only in the Installer alert button.
S
Moderate means that the system will likely recover on its own, no action necessary.
S
Minor is information only, helps Lennox interpret test results, understand complicated behavior.
Communication System: When communication controls are operating in a communication system, all jumper and link setting on controls are ignored. Jumpers
and link setting are treated as defaults and would only be active if the system was converted to a non-communicating system.
Table 1 Alert Codes and Troubleshooting
Applicable
Alert Priority
System
Code Condition
Component(s)
10 Critical Thermostat
11 Critical Thermostat
®
S30.
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 iComfort
unknown device. Typically the thermostat will send a command to the
unknown device and place the device into a soft disable state. The soft
disable control will indicate so as follows:
√ On air handler, furnace and outdoor controls, the soft-disabled state is
displayed by double horizontal lines on seven-segment display.
√ On the damper control module, the green LED will blink 3 seconds on and
Unknown Device
1 second off.
Detected - DEVICE2
√ On the equipment interface module, the green LED will blink 3 seconds on
and 1 second off.
√ A new communicating device has been added to the system since the
original configuration setup was completed.
√ Go to menu > advance settings > view dealer control center >
equipment and press reset all equipment. This will allow the system to
auto-detect any iComfort
The thermostat cannot find a previously installed system component.
√ Check all system components (devices) connections to make sure they
are iComfort
√ Cycle system power.
Missing DEVICE2
√ If problem persists, then check all system components (devices)
connections to make sure they are iComfort
√ Go to menu > advance settings > view dealer control center >
equipment and press reset all equipment. This will allow the system to
auto-detect any iComfort
®
S30 when NOT in configuration mode has detected an
®
components attached.
®
-compatible.
®
-compatible.
®
components attached.
45
How to clear alert code
Clear alert code by reconfiguring
the system.
Cycle system power, and If prob­
lem persists then clear by recon­
figuring the system.