Lennox icomfort Wi-Fi - Page 54

507343-01
Page 54
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
345 Critical
Air handler, equip
ment interface
module or heat
pump
The O relay on the system
component has failed. Either
the pilot relay contacts did not
close or the relay coil did not
energize.
 Possible O relay / stage 1 failure.
 Pilot relay contacts did not close
or the relay coil did not energize.
 Replace system component (de
vice) control.
 If error is applicable to the XC/XP
25, the outdoor control will need
to be replaced.
Automatically clears
after the fault recov
ered following reset.
346 Critical
Air handler
The heat pump configuration
link not cut on the air handler
control.
 Configuration link not cut on air
handler control.
 Cut O to R.
 This is only applicable with non-
communicating heat pump with
communicating indoor unit.
Automatically clears
when the system de
tects that the issue no
longer exists.
347 Critical
Furnace, air han
dler or equipment
interface module
The Y1 relay on the applicable
system component has failed.
Either the pilot relay contacts
did not close or the relay coil
did not energize.
 System operation will stop.
 Possible Y1 relay / stage 1 fail
ure.
 Pilot relay contacts did not close
or the relay coil did not energize;
 There is no input back to the ap
plicable system component con
trol.
Automatically clears
after reset and Y1 in
put sensed.
348 Critical
Furnace or air
handler
The Y2 relay on the applicable
system component has failed.
Either the pilot relay contacts
did not close or the relay coil
did not energize.
 Possible Y2 relay / stage 2 fail
ure.
 Furnace pilot relay contacts did
not close or the relay coil did not
energize
 No input back to furnace or air
handler control. .
Automatically clears
when the system de
tects that the issue no
longer exists.
349 Critical
Furnace
The O to R link on the furnace
needs to be restored.
 Configuration link R to O needs to
be restored.
 Repair cut link or hard-wire.
 Only applicable in non-communi
cating mode.
Automatically clears
when the system de
tects that the issue no
longer exists.
350 Critical
Air handler
The air-handler's electric heat
is not configured or incorrectly
configured.
 Heat call with no configured or in
correctly configured electric heat.
 Check for proper configuring un
der Configuring Electric Heat
Stages in the air handler installa
tion instructions.
Automatically clears
after electrical heat de
tection is successful.
351 Critical
Air handler
There is an issue with the air-
handler's first stage electric
heat.
 Either the pilot relay contacts did
not close or the relay coil in the
electric heat section did not ener
gize.
 Possible heat section / stage 1
failure.
 Pilot relay contacts did not close,
or the relay coil in the electric
heat section did not energize.
 Air handler will operate on first
stage for reminder of the heat
call.
Automatically clears
after fault recovered.