GSX14 Service Manual

SERVICING
88
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,%$$ISPLAY#ODES
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$ESCRIPTION
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0OSSIBLE
#AUSES
#ORRECTIVE
!CTIONS
.OTES
#AUTIONS
$IGIT $IGIT $IGIT -ESSAGE #ODE
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
s#OMFORT.ETTHERMOSTAT
displays ‘---‘ in the
temperature display area.
",!.+ A 2 sOutdoor air
temp sensor
fault
AIR
3%.3/2
FLT
A2 sShorted sensor.
sOpen sensor.
sSensor
disconnected.
sSensor out of
range.
sCheck sensor
connection.
sReplace open/
shorted sensor.
sTurn power OFF prior
to repair.
sReplace with correct
replacement part.
sHeat pump fails to operate
in heating mode.
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
s#OMFORT.ETTHERMOSTAT
displays error message.
",!.+ A3sOutdoor coil
temp sensor
fault
COIL
3%.3/2
FLT
A3 sShorted sensor
sOpen sensor.
sSensor.
disconnected.
sSensor out of
range.
sCheck sensor
connection.
sReplace open/
shorted sensor.
sTurn power OFF prior
to repair.
sReplace with correct
replacement part.
sAir conditioner/heat pump
fails to operate.
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
",!.+ E5sOpen fuse ",/7.
FUSE
E5 sShort in low
voltage wiring.
sLocate and
correct short
in low voltage
wiring.
sTurn power OFF prior
to repair.
sReplace fuse with
3-amp automotive type.
sAir conditioner/heat pump
fails to operate.
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
",!.+ EEsBoard mis-
operation
).4%2.!,
FAULT
EE sCompressor
relay contacts
welded.
sReplace control. sTurn power OFF prior
to repair
sReplace with correct
replacement part.
sAir conditioner/heat pump
fails to operate.
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
s#OMFORT.ETTHERMOSTAT
displays error message.
",!.+ b0sCirculator
blower motor
is not running
when it
should be
running.
MOTOR
./425.
b0 sIndoor blower
motor problem.
sCommunications
error between
indoor and
outdoor unit.
sCheck indoor
blower motor.
sCheck indoor
blower motor
wiring.
sCheck indoor unit
control.
sRepair/ replace
any faulty wiring.
sRepair/ replace
indoor blower
motor or control.
sTurn power OFF prior
to repair.
sApplies only to fully
communicating system
USING#OMFORT.ET
thermostat.
sReplace with correct
replacement part.
s Air conditioner/heat
pump operates at reduced
performance.
sAir conditioner/heat pump
operating at low stage
when expected to operate
at high stage.
sIntegrated control
module diagnostic/status
LED display shows the
indicated code.
",!.+ b9sAirflow is
lower than
demanded
LOW ID
AIRFLOW
b9 sIndoor blower
motor problem
s
Blocked filters.
sRestrictive/
undersized
ductwork
sIndoor/ outdoor
unit miss-match.
sCheck indoor
blower motor.
sCheck filters;
clean/replace as
needed.
sCheck ductwork;
resize as needed.
sVerify indoor and
outdoor units are
properly matched.
sTurn power OFF prior
to repair.
sApplies only to fully
communicating system
USING#OMFORT.ET
thermostat.
sReplace with correct
replacement part. See
specification sheet(s)
for airflow requirements
and maximum external
static pressure.
sSee specification
sheets for approved
system matches.
3934%-42/5",%3(//4).'
PCBHR104