
27
26
64
˚
F
42
˚
F
ON
Hi/Low Temp Upper
Hi/Low Temp Lower
TruProtect
™
“Advanced” Function “Quick” Reference
SERVICE DIAGNOSTICS - DUAL ZONE
Solid Door Dual Zone Models:
Glass Door Dual Zone Models:
Place new control here when I get it from Ray
64
˚
F
42
˚
F
ON
Hi/Low Temp Upper
Hi/Low Temp Lower
F
Fu
un
nccttiio
on
n
F
Fu
un
nccttiio
on
n A
Acccce
essss
S
Se
errvviicce
e D
Diia
ag
gn
no
ossttiiccss
T
To
o “
“E
En
ntte
err”
” a
an
nd
d “
“E
Exxiitt”
” S
Se
errvviicce
e D
Diia
ag
gn
no
ossttiiccss m
mo
od
de
e,, p
prre
essss a
an
nd
d h
ho
olld
d tth
he
e
kke
eyyp
pa
ad
d w
wh
hiille
e
p
prre
essssiin
ng
g tth
he
e
kke
eyyp
pa
ad
d ffo
ou
urr ((4
4)) ttiim
me
ess iin
n ffiivve
e ((5
5)) sse
ecco
on
nd
dss.. S
Se
errvviicce
e D
Diia
ag
gn
no
ossttiiccss m
mo
od
de
e
w
wiillll a
au
utto
om
ma
attiicca
allllyy e
exxiitt a
afftte
err ffiivve
e ((5
5)) m
miin
nu
utte
ess o
off n
no
o kke
eyyp
pa
ad
d e
en
nttrryy..
D
Diissp
plla
ayy E
Errrro
orr C
Co
od
de
e R
Re
effe
erre
en
ncce
e::
T
Th
he
e m
miiccrro
op
prro
occe
esssso
orr iin
n tth
he
e cco
on
nttrro
oll cco
on
nttiin
nu
ua
allllyy m
mo
on
niitto
orrss ccrriittiicca
all rre
effrriig
ge
erra
attiio
on
n ssyysstte
em
m
cco
om
mp
po
on
ne
en
nttss ffo
orr p
prro
op
pe
err o
op
pe
erra
attiio
on
n.. IIff cco
om
mp
po
on
ne
en
ntt p
pa
arra
am
me
ette
errss e
exxcce
ee
ed
d n
no
orrm
ma
all o
op
pe
erra
attiin
ng
g
ssp
pe
ecciiffiicca
attiio
on
nss,, tth
he
e d
diissp
plla
ayy w
wiillll a
au
utto
om
ma
attiicca
allllyy fflla
assh
h tth
he
e rre
essp
pe
eccttiivve
e e
errrro
orr cco
od
de
e a
ass ffo
ollllo
ow
wss::
P
Po
ow
we
err lliin
ne
e ffllu
uccttu
ua
attiio
on
nss m
ma
ayy cca
au
usse
e a
an
n e
errrro
orr cco
od
de
e tto
o b
be
e d
diissp
plla
ayye
ed
d w
wiitth
h n
no
o p
prro
od
du
ucctt ffa
au
ulltt..
T
Th
he
erre
effo
orre
e,, tth
he
e ffiirrsstt ttiim
me
e a
an
n e
errrro
orr cco
od
de
e a
ap
pp
pe
ea
arrss,, p
plle
ea
asse
e cclle
ea
arr tth
he
e cco
od
de
e b
byy h
ho
olld
diin
ng
g
a
an
nd
d
p
prre
essssiin
ng
g
4
4 ttiim
me
ess.. IIff tth
he
e p
prro
od
du
ucctt iiss a
att ffa
au
ulltt,, tth
he
e e
errrro
orr cco
od
de
e w
wiillll a
ap
pp
pe
ea
arr a
ag
ga
aiin
n,, a
an
nd
d yyo
ou
u
ssh
ho
ou
ulld
d cco
on
ntta
acctt yyo
ou
urr D
De
ea
alle
err o
orr V
Viikkiin
ng
g C
Cu
usstto
om
me
err S
Se
errvviicce
e tto
o sscch
he
ed
du
ulle
e sse
errvviicce
e b
byy a
a
q
qu
ua
alliiffiie
ed
d tte
ecch
hn
niicciia
an
n..
ON
OFF
SET
WARMER
COLDER
˚̊F/C
LIGHT
55
˚
F
13
˚
C
38
˚
F
4
˚
C
SA
ON
OFF
SET
WARMER
COLDER
˚̊F/C
LIGHT
55
˚
F
13
˚
C
38
˚
F
4
˚
C
SA
E1
Compressor Error, (High/Low Amps)
Condenser Fan Error, (High/Low Amps)
Upper Compartment “Sensor A” Error, (Out-of-Range)
Lower Compartment “Sensor B” Error, (Out-of-Range)
E2
E3
E1
C
Co
on
nttrro
oll C
Co
on
nffiirrm
ma
attiio
on
n//C
Co
om
mm
me
en
ntt
ON
OFF
SET
WARMER
COLDER
˚̊F/C
LIGHT
55
˚
F
13
˚
C
38
˚
F
4
˚
C
SA
ON
OFF
SET
WARMER
COLDER
˚̊F/C
LIGHT
55
˚
F
13
˚
C
38
˚
F
4
˚
C
SA
ON
OFF
SET
WARMER
COLDER
˚̊F/C
LIGHT
55
˚
F
13
˚
C
38
˚
F
4
˚
C
SA
S
Se
errvviicce
e D
Diia
ag
gn
no
ossttiiccss M
Mo
od
de
e e
en
na
ab
blle
ess sse
errvviicce
e tte
ecch
hn
niicciia
an
nss tto
o iid
de
en
nttiiffyy tth
he
e ffiirrm
mw
wa
arre
e a
an
nd
d sso
offttw
wa
arre
e vve
errssiio
on
nss,, tte
esstt sstta
attu
uss o
off
“
“m
mo
od
de
ell ssp
pe
ecciiffiicc”
” ssyysstte
em
m cco
om
mp
po
on
ne
en
nttss a
an
nd
d sse
en
nsso
orrss a
an
nd
d cch
ha
an
ng
ge
e sstta
atte
e o
off cco
om
mp
po
on
ne
en
nttss w
wh
he
erre
e a
ap
pp
plliicca
ab
blle
e,, ((ii..e
e.. -- cco
om
mp
prre
esssso
orr
o
on
n//o
offff,, e
ettcc......)).. W
Wh
hiille
e iin
n S
Se
errvviicce
e D
Diia
ag
gn
no
ossttiiccss M
Mo
od
de
e,, tte
essttss a
arre
e iin
nccrre
em
me
en
ntte
ed
d b
byy p
prre
essssiin
ng
g tth
he
e kke
eyyp
pa
ad
d a
an
nd
d ssp
pe
ecciiffiicc
cco
om
mp
po
on
ne
en
ntt sstta
atte
ess cca
an
n b
be
e cch
ha
an
ng
ge
ed
d tto
o “
“O
ON
N”
” a
an
nd
d “
“O
OF
FF
F”
” b
byy p
prre
essssiin
ng
g tth
he
e a
an
nd
d
kke
eyyp
pa
ad
dss rre
essp
pe
eccttiivve
ellyy.. T
Th
he
e
ffo
ollllo
ow
wiin
ng
g cco
om
mp
po
on
ne
en
ntt tte
essttss a
arre
e a
avva
aiilla
ab
blle
e::
Test #
Component Description
OK
Off/Open
On/Shorted
0
Temp Sensor, Upper
1
Temp Sensor, Lower
2
Compressor
n/a
3
Condenser Fan
n/a
4
Compartment Fan, Upper
n/a
5
Compartment Fan, Lower
n/a
6
Heater/Fan Assembly, Upper
n/a
7
Heater/Fan Assembly, Lower
n/a
8
Door Sense
n/a
Available Status Indicators
0 -
1 -
0 0
NOTE: The Door Sense is located between the Upper Compartment display and the ON/OFF key and can be tested
with any magnet.
ON
OFF
SET
PRESS AND HOLD
magnet sense area
40
˚
F
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
ON
OFF
SET
WARMER
COLDER
˚̊F/C
55˚
F
LIGHT
13˚
C
38˚
F
4˚
C
SA
ON
OFF
SET
WARMER
COLDER
˚̊F/C
55˚
F
LIGHT
13˚
C
38˚
F
4˚
C
SA