48
System Testing & Troubleshooting
DIAGNOSTIC DISPLAYED
REASON FOR DI
AGNOSTIC
UCM’
S
REACTION
R
ESET REQUIRED
C
G
M
I
C
S
T
e
m
per
at
ur
e S
ens
or
F
a
il
P
roblem
: C
G
M
is
r
e
c
e
iv
ing a s
ignal
w
h
ic
h is
out
of
r
ange f
rom
t
he C
G
M
IC
S
T
e
m
p
er
at
ur
e S
e
ns
or
input
.
T
he unit
is
r
eading a s
ignal t
hat
is
out
of
range f
o
r t
he C
G
M
I
C
S
T
e
m
per
at
ur
e
s
ens
or
input
on t
he C
G
M
. (
T
em
p <
-
40 F
or
T
e
m
p
>
200 F
).
N
o
c
hange in unit
oper
at
ion
oc
c
u
rs
. T
h
is
diagnos
ti
c
is
f
o
r
inf
o
rm
at
ion only
.
(I
N
F
O
) A
n
a
u
to
m
a
ti
c
r
e
s
e
t o
c
c
u
rs
af
te
r t
he C
G
M
I
C
S
T
e
m
per
at
ur
e
S
ens
or
r
e
tu
rn
s
t
o
it
s
allow
able
range.
I
n
or
der
t
o
pr
ev
ent
r
apid
c
y
c
ling of
t
he diagnos
ti
c
, t
her
e is
a
10 s
e
c
ond delay
pr
ior
t
o
t
he
i
C
G
M
M
odule D
a
ta
S
tor
age E
rr
o
r
P
roblem
: T
her
e w
a
s
a dat
a
tr
ans
m
is
s
ion er
ro
r.
C
hec
k
: T
h
is
c
an be c
aus
ed by
an
int
e
rm
it
tent
pow
er
los
s
. T
u
rn
t
he
unit
of
f f
o
r 1-
2 m
inut
es
, t
hen bac
k
on
again.
I
f diagnos
ti
c
per
s
is
ts
, t
hen
th
e
C
G
M ma
y
need t
o
be r
e
p
lac
e
d.
A
n
er
ro
r oc
c
u
rr
ed w
h
ile t
he C
G
M
w
a
s
w
rit
ing dat
a t
o
it
s
int
e
rnal non-
v
o
lat
ile
m
e
m
o
ry
(EEPR
O
M
).
A
n
inf
o
rm
at
ion only
diagnos
ti
c
w
ill
be dis
p
lay
ed at
t
he H
u
m
a
n
In
te
rf
ac
e.
(I
N
F
O
) A
m
anual r
e
s
e
t m
a
y
be
m
a
de at
t
he H
u
m
an I
n
te
rf
ac
e,
at
T
rac
er
, or
by
c
y
c
ling pow
er
t
o
t
he
CG
M
.
C
G
M
O
A
T
e
m
p
S
ens
or
F
a
ilur
e
P
roblem
: T
he O
u
ts
ide A
ir
T
e
m
per
at
ur
e s
ens
or
input
is
out
of
range.
C
hec
k
: S
ens
or
r
e
s
is
tanc
e bet
w
een
830 ohm
s
(
200 F
) and 345.
7K
ohm
s
(-
40 F
).
I
f s
o
, c
h
ec
k
f
ield/
unit
w
ir
ing
bet
w
een S
ens
or
and C
G
M
.
T
he unit
is
r
eading a s
ignal t
hat
is
out
of
range f
o
r t
he O
u
ts
ide A
ir
T
e
m
p
er
at
ur
e
s
ens
or
input
on t
he C
G
M
. (
T
em
p <
-
40 F
or
T
e
m
p
>
200 F
).
U
n
it
ac
ti
ons
t
hat
oc
c
u
r w
hen t
h
is
diagnos
ti
c
is
ac
ti
v
e
inc
lude;
a.
Low
A
m
bient
C
o
m
p
re
s
s
o
r
Loc
k
out
f
unc
ti
on is
dis
abled
b.
Low
A
m
bient
P
u
m
p
O
v
er
ri
de
func
ti
on is
ac
ti
v
a
ted (
ie:
S
o
lut
ion
P
u
m
p
O
N
r
eques
t is
is
s
ued)
.
c.
L
P
C
B
y
p
a
ss T
im
e
i
s
se
t t
o
M
inim
u
m
B
y
pas
s
T
im
e
(
tim
e us
ed
fo
r O
A
T
e
m
p
>
6
5 degF
).
d.
I
f Leav
ing S
o
lut
ion R
e
s
e
t t
y
pe
s
e
lec
ted is
O
A
T
e
m
p
R
e
s
e
t,
t
hen
the R
e
s
e
t t
y
pe r
e
v
e
rt
s
t
o
N
O
N
E
fo
r t
he dur
at
ion of
t
he f
a
ilur
e
.
(P
A
R
) A
n
aut
om
at
ic
r
e
s
e
t oc
c
u
rs
af
te
r t
he O
A
T
e
m
p
input
r
e
tu
rn
s
t
o
it
s
allow
able r
ange.
I
n
or
der
t
o
pr
ev
ent
r
apid c
y
c
ling of
t
he
D
iagnos
ti
c
, t
her
e is
a 10 s
e
c
ond
delay
bef
or
e t
he aut
om
at
ic
r
e
s
e
t.
C
G
M
Z
one T
e
m
p
S
ens
or
F
a
ilur
e
P
roblem
: T
he C
G
M
Z
o
ne
T
e
m
per
at
ur
e s
ens
or
input
is
out
of
range.
C
hec
k
: S
ens
or
r
e
s
is
tanc
e bet
w
een
830 ohm
s
(
200 F
) and 345.
7K
ohm
s
(-
40 F
).
I
f s
o
, c
h
ec
k
f
ield/
unit
w
ir
ing
bet
w
een S
ens
or
and C
G
M
.
T
he Leav
ing S
o
lut
ion R
e
s
e
t t
y
pe
s
e
lec
ted is
Z
one T
e
m
p
R
e
s
e
t,
and t
h
e
unit
is
r
eading a s
ignal t
hat
is
out
of
range f
o
r t
h
is
input
(
T
em
p <
-
40 F
or
T
e
m
p
>
200 F
).
T
h
e
R
e
se
t t
y
p
e
r
e
ve
rt
s t
o
N
O
N
E
fo
r t
he dur
at
ion of
t
he f
a
ilur
e
.
(P
A
R
) A
n
aut
om
at
ic
r
e
s
e
t oc
c
u
rs
af
te
r t
he des
ignat
ed Z
one
T
e
m
per
at
ur
e s
ignal r
e
tu
rn
s
t
o
it
s
allow
a
ble r
ange.
I
n
or
der
t
o
pr
ev
ent
rapid c
y
c
ling of
t
h
e D
iagnos
ti
c
,
th
er
e is
a 10 s
e
c
ond delay
bef
or
e
th
e aut
om
at
ic
r
e
s
e
t.
Summary of Contents for IntelliPak CGAF Series
Page 68: ...68...