Lennox icomfort Wi-Fi - Page 48

507343-01
Page 48
Table 10. Alert Codes and Troubleshooting
Critical alerts are displayed on the Home screen, in the Home
owner alert button, and in the Installer alert button. Minor and
moderate alerts are found only in the Installer alert button.
Alert
Code
PRIORITY
CONDITION
APPLICABLE
SYSTEM
COMPONENTS
ALERT TEXT
COMPONENT OR SYSTEM OPERA
TIONAL STATE AND TROU
BLESHOOTING TIP
HOW TO CLEAR
ALERT CODE
124 Critical
Thermostat, fur
nace, air handler,
outdoor unit,
equipment inter
face or IHarmony
damper control
module
The thermostat has lost com
munication with a system com
ponent for more than three min
utes.
 System component has lost com
munication with the thermostat.
 Check the wiring connections.
 Ohm wires.
 Cycle power.
 This alert code stops all associat
ed system operations and waits
for a heartbeat message from the
system component that is not
communicating.
Automatically clears
after communication is
re-established with ap
plicable system com
ponent (device).
125 Critical
Thermostat, fur
nace, air handler,
outdoor unit,
equipment inter
face or IHarmony
damper control
module
There is a hardware problem
on a system component con
trol.
 There is a control hardware prob
lem.
 Replace the control if the problem
prevents operation and is persis
tent.
 Damper control module will re
main in non-zone mode (all
dampers open) for five minutes
after priority condition no longer
exist.
Automatically clears
300 seconds after the
issue no longer exists.
126 Critical
Furnace air han
dler or outdoor
unit
There is an internal communi
cation problem with a system
component.
 There is an internal hardware
problem on the system compo
nent control.
 Typically the system component
control will reset itself.
 Replace the system component
(device) control if the problem
prevents operation and is persis
tent.
Automatically clears
300 seconds after the
issue no longer exists.
130 Moderate
Equipment inter
face module
Air handler jumper is missing.
 Configuration jumper missing on
equipment interface module.
NOTE: This is applicable in non-
communicating applications only).
 Install the missing jumper.
Automatically clears
after the missing or in
correctly installed
jumper is installed or
corrected.
131 Critical
Thermostat, fur
nace, air handler,
outdoor unit,
equipment inter
face or IHarmony
damper control
module
System component control pa
rameters are corrupted.
 Reconfigure the system.
 Replace the system component
control if heating or cooling is not
available.
Will automatically clear
when system compo
nent (device) passes
memory self-test or
system component
control is replaced.
132 Critical
Air handler, equip
ment interface
module or IHar
mony damper
control module
System component control
software is corrupted.
 Recycle power.
 If failure re-occurs, replace the
system component control.
Manual system power
reset is required to re
cover from this alert
code.