Lennox icomfort Touch - Using the Diagnostics features; Select device to run diagnostics

icomfort Touch 7−Day Programmable Communicating Thermostat
Page 13
Lock In 2nd stage HP by Outdoor Tempdefault Off (heat
pump stage 2 operates normally). Use this setting to lock in
the 2nd stage compressor when the outdoor temperature is at
or less than the LOCK TEMP set point. Scroll to Lock In 2nd
stage HP by Outdoor Temp; press edit. Use arrows to select
a temperature between 40 and 55ºF. Press save.
Using the Diagnostics features
NOTE − To run diagnostics and insure system works properly
(i.e. to see the most of the meaningful information), the sys-
tem should be running. Set the thermostat so that it will initiate
a demand for cooling, heating, dehumidification, humidifica-
tion, or continuous fan operation.
If you need to run diagnostics to analyze the system, press
the diagnostics tab. The Select device to run diagnostics"
screen (figure 33) will open.
run diagnostics on:
select device to run
diagnostics on
diagnostics
select
HP
XP17−036−230−01
5910M12345
Furnace
SLP98UH−
090V36C−01
5910G17546
Thermostat
49W95
A110A00070
Figure 33. Select device to run diagnostics
Use the arrow buttons to scroll through the list of items found
on the left of the screen. Then press select. The right side of
the screen shows which item is selected (figure 34). Use start
to begin the process. The screen will show DIAGNOSTICS
IN PROGRESS..." briefly, then change to show the list of val-
ues and conditions discovered.
Use the arrow buttons to scroll through the information and
take note of any found to be out of operating range.
Press done when finished with the information. Select anoth-
er device to diagnose or use EXIT if finished.
run diagnostics on:
Furnace
select device to run
diagnostics on
diagnostics
Heating Rate 40.0%
Blower CFM Demand 250 CFM
Blower Off Delay Off
Blower On Delay Off
Indoor Blower RPM waiting
Indoor Blower Power waiting
Inducer Blower RPM waiting
Flame Current waiting
Outdoor Temperature 88.0’F
Discharge Air Temperature 75.0’F
Line Voltage waiting
Furnace
Diagnostics
startremove
done
HP
XP17−036−230−01
5910M12345
Furnace
SLP98UH−
090V36C−01
5910G17546
Thermostat
49W95
A110A00070
Figure 34. Running diagnostics on a device