Balance Points - Lennox iComfort Wi-Fi Setup Manual

Table 10. Alert Codes and Troubleshooting
Alert PRIORITY
Code CONDITION
38 Critical
39 Critical
40 Minor
®
iComfort Wi-Fi
APPLICABLE
SYSTEM ALERT TEXT
COMPONENTS
The system has not been able
to turn on the heating for more
Thermostat
than 45 minutes.
The system has not been able
to turn on the cooling for more
Thermostat
than 45 minutes.
•
The HP could not progress
the room temperature 0.5°F
towards the set point in 30
minutes.
•
System will switch to sec­
ondary heat source.
•
(Secondary source is electric
heat or furnace in dual -fuel
applications).
•
(Software issue: The issue is
the 30-minute timer is not re­
Outdoor Unit
setting to 30 minutes when
the temperature raises 0.5°F.
•
After 30 minutes, it causes
alarm 40 to be set (erro­
neously), and the heat pump
goes into the "HP heating
Lockout Time" mode which
indicates that the heat pump
could be off for a maximum of
120 minutes. Range can be
set between 60 to 120 min­
utes)
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.
COMPONENT OR SYSTEM OPERA­
TIONAL STATE AND TROU­
BLESHOOTING TIP
•
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 equipment operation.
•
Check for other alert codes that
may be preventing the system
from operating as expected.
•
Check all heating equipment to
determine cause.
•
Recycle power.
•
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 equipment operation.
•
Check for other alarms/codes that
may be preventing the system
from operating as expected.
•
Check all cooling equipment to
determine cause.
•
Recycle power.
•
The heat pump has locks out on
the "HP heating Lockout Time"
setting in the room thermostat "In­
staller/System Devices / Heat
Pump screen" (Default is 120
minutes). The issue is the heat
pump could not progress the
room temperature by 0.5F to­
wards the set point in 30 minute.
•
Set the low balance point and
high balance point as close to­
gether as possible. (This is 3°F
difference – Example: set high
balance point at 35°F and low bal­
ance point would set at 32F).
•
Below the low balance point, the
furnace will heat the home / be­
tween the low and high balance
point, the heat pump and furnace
will heat the home.
•
If the heat pump cannot raise the
temperature 0.5°F in 30 minutes
on the zone or zones, the "HP
heating Lockout Time" (Location:
Installer set/System devices/HP
heating Lockout Time / default is
120 minutes) will lock the heat
pump off.
•
The gas furnace will finish the
heating cycle / when the outdoor
temperature is above the high
balance point.
•
The gas furnace is locked out and
all the heat is provided by the
heat pump.
7-Day Programmable Communicating Thermostat
Page 45
HOW TO CLEAR
ALERT CODE
Automatically clears
when the system de­
tects that the issue no
longer exists.
This alert code will au­
tomatically clear when
the system detects the
issue has no longer
exists.
•
Clears when heat
pump comes out of
"HP heating Lock­
out Time" timer
setting (Range can
be set between 60
to 120 minutes.
•
Default is 120 min­
utes).