iComfort Wi-Fi
®
7-Day Programmable Communicating Thermostat
Page 53
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
295 Minor
Furnace
The indoor blower motor is
overheating.
Indoor blower motor over temper
ature (motor tripped on internal
protector).
Check motor bearings and amps.
Replace indoor blower motor if
necessary.
Automatically clears
after blower demand is
satisfied.
310 Critical
Furnace, air han
dler equipment in
terface module or
damper control
module
There is a problem with system
component's discharge air sen
sor.
Compare outdoor sensor resis
tance to temperature / resistance
charts in system component in
stallation instruction.
Replace discharge air sensor if
necessary.
Damper control module will oper
ate in non-zone mode (all
dampers open).
Automatically clears
30 seconds after fault
is detected as recov
ered.
311 Minor
Furnace
The heat firing rate has been
reduced to match available air
flow (cutback mode).
This is a Warning Only alert code.
Furnace blower in cutback mode
due to restricted airflow.
Reduce firing rate every 60 sec
onds to match available CFM.
Check air filter and duct system.
To clear, replace air filter if need
ed or repair or add additional
ducting.
Two-stage controls will reduce fir
ing rate to first stage.
Automatically clears
when a heat call finish
es successfully.
312 Minor
Furnace or air
handler
The indoor blower cannot pro
vide the requested CFM due to
high static pressure.
This is a Warning Only alert code.
Possible restricted airflow - Indoor
blower is running at a reduced
CFM (Cutback Mode).
The variable speed motor has
pre-set speed and torque limiters
to protect the motor from damage
caused by operating outside of
design parameters (0 to 0.8” e.g.
total external static pressure).
Check air filter and duct system.
To clear, replace air filter if need
ed or repair or add additional
ducting.
Automatically clears
after the current ser
vice demand is satis
fied.
313 Minor
Furnace, air han
dler and outdoor
unit
The indoor and outdoor unit ca
pacities do not match.
This is a Warning Only alert code.
Check for proper system compo
nent configuring in installation in
structions.
The system will operate, but
might not meet efficiency and ca
pacity parameters.
Automatically clears
after commissioning is
complete.
344 Critical
Furnace
Relay Y1 Failure
Possible Y1 relay failure.
All system operations will stop.
Automatically clears
300 seconds after Y1
input sensed OFF.
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