Lennox iComfort M30 Installation And Setup Manual page 32

Alert Priority
Display Message
Code Condition
Internal Temperature
700 Critical
Sensor Problem
Comfort Sensor
703 Critical Humid Sensor
Problem
3000 Reminder Replace filter 1
3001 Reminder Replace filter 2
Replace humidifier
3002 Reminder
pad
3003 Reminder Replace UV bulb
Maintenance
3004 Reminder
reminder
Pure Air
3005 Reminder
maintenance
Table 7. Alert Codes and Reminders
Condition
Local temperature sensor
reads out of range -4ºF
to 158ºF.
There is a difference
between main thermistor
and sub-thermistor of
more than 5ºF.
Sensor reads out of range
0% to 100%
Not Applicable
32
System Action
• Indoor temp is displayed as
"–" on the home screen. This
will STOP all temperature
related operation.
• All stages of heat and
cool are turned off by
safety relay.
• This error is displayed in
notification screen.
• This message indicates
humidity sensor is not
functioning correctly.
• The humidity display
on the home screen will
indicated "–".
• This error is displayed in
notification screen.
Displayed in notification screen
Clear/Recovery
Thermostat will have to
be replace or if sensor
returns to with in the normal
operating range (0ºF to
113ºF), the error message
will be automatically
cleared. System will return
to normal operations.
Thermostat will have to
be replace or if sensor
returns to with in the
normal operating range,
the error message will
be automatically cleared.
System will return to normal
operations.
Press the "back" button,
"clear" button or "remind
later" button.