16
TROUBLESHOOTING INFORMATION: AIR HANDLER DIAGNOSTIC CODES
Comfor
tNet™
Ther
mostat Onl
y
S
y
m
p
toms of
A
b
normal Ope
ration
(Legac
y
& Comfor
tNet™ Thermostat)
Di
agnosti
c/
Status
LED Codes
Faul
t Desc
ri
pti
on
M
e
ssa
ge
Code
Possible
Causes
Correct
iv
e A
c
tions
Notes & Cauti
ons
x
Modular
blow
er fail
s to
opera
te.
x
Inte
grated con
trol
module
LED
displa
y
prov
ides
indi
cated error code
.
x
ComfortNe
t™
ther
mosta
t “Call for
Serv
ice” icon il
lumi
nated
.
x
ComfortNe
t™
ther
mosta
t
scroll
s
“Check Air
Handle
r”
message
.
9 Flash
es
x
D
a
ta no
t y
e
t on
netw
ork.
NO NET
DATA
d0
x
Modular blow
er do
es n
o
t
contain any
shared
data
.
x
Populate
shared
da
ta se
t
using
memory
card
.
x
Turn pow
er OFF pri
or to
repair
x
Use memory
card
for
the spe
ci
fic
model
.
x
Inse
rt memory
card
BEFORE turning
p
o
w
e
r
ON.
Memory
c
a
rd
may
be remov
ed after
d
a
ta i
s
loaded.
x
Error
code
w
ill be
cleared
on
ce
data i
s
loaded.
x
Operati
on di
fferen
t
than
ex
pected
or
n
o
operatio
n.
x
Inte
grated con
trol
module
LED
displa
y
prov
ides
indi
cated error code
.
x
ComfortNe
t™
ther
mosta
t “Call for
Serv
ice” icon il
lumi
nated
.
x
ComfortNe
t™
ther
mosta
t
scroll
s
“Check Air
Handle
r”
message
.
11 Flashes
x
Inv
alid m
e
m
o
ry
car
d
data
.
IN
VALID
MC
D
A
T
A
d4
x
Shared data
set
on
memory
card
ha
s bee
n re
je
cted
by
integra
ted
co
ntro
l
module
x
Verify
shar
ed da
ta
set i
s
corre
ct for the
s
pecific
model
.
Re-populate
da
ta
u
s
ing
corre
ct
m
e
m
o
ry
car
d if
required
.
x
Turn pow
er OFF pri
or to
repair
x
Use memory
card
for
the spe
ci
fic
model
.
x
Inse
rt memory
card
BEFORE turning
p
o
w
e
r
ON.
Memory
c
a
rd
may
be remov
ed after
d
a
ta i
s
loaded.
x
Error
code
w
ill be
cleared
on
ce
data i
s
loaded.
Содержание MBVC
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