12
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Chart
1. Operation Flow Chart
1-in-1 dr
ain c
ycle
. D
V opens f
or 2 sec.
ev
er
y hour (CB S1
Dip S
witch 4).
Icemak
er st
atus does not change
.
Oper
ation Flo
w Char
t
LFS
closed
UFS
closed
FZT
st
ar
ts
FT
ter
minat
ed
WV
de-ener
giz
ed
3.
1
-in-1
2 Dr
ain Cy
cle
& R
estar
t (optional)
UFS
open
LFS
open (WV on)
FT
st
ar
ts (90 sec.)
FZT
ter
minat
ed
WV
ener
giz
ed
Comp
contin
ues
EH
contin
ues
FMR
co
ntin
ues
GM
contin
ues
PDS
contin
ues
1.
Star
tup
2.
Ice P
ur
g
e Cy
cle
WV
ener
giz
ed
P
ow
er S
witch "ON"
C
ontr
ol S
witch in "ICE"
PO
WER OK LED on
BC Gr
een LED on
BC
Yello
w LED of
f
2.
1
-in-1 Dr
ain Cy
cle
Comp
de-ener
giz
ed
FMR
de-ener
giz
ed
PDS
de-ener
giz
ed
GM
contin
ues
1.
F
ill Cy
cle
3.
F
reez
e Cy
cle
LFS
closed
UFS
closed
FZT
st
ar
ts (30 min.)
FT
ter
minat
ed
WV
de-ener
giz
ed
Comp
contin
ues
EH
contin
ues
FMR
contin
ues
GM
contin
ues
PDS
contin
ues
Lo
w W
at
er
Saf
ety
P
ur
g
e Timer
UFS
open
WV
ener
giz
ed
PDS
de-ener
giz
ed
(CLPS opens)
Comp
de-ener
giz
ed
FMR
de-ener
giz
ed
GM
contin
ues
DV
ener
giz
ed
GM
de-ener
giz
ed
10-min.
DT
ter
minat
ed
DV
de-ener
giz
ed
1-in-1
2 DT
reset
5 min.
4.
Icemak
er R
estar
t
2.
Ice P
ur
g
e Cy
cle
3
.
1
0-Min.
Dr
ain
If F
il
l
> 90 sec.
FT
1-beep alar
m
sounds
WV
contin
ues
W
hen UFS closes
alar
m r
esets and
2.
Ice P
ur
ge C
ycle st
ar
ts
.
F
T Maxim
um
90
sec.
4.
1
-in-1
2 Dr
ain Cy
cle -
Although the
fact
or
y def
ault 1
-in-1 dr
ain c
ycle
is r
ecommended, a 1
-in-1
2 dr
ain c
ycle is a
vailab
le
. F
or 1
-in-1
2 dr
ain c
ycle
sequence
, see "3.
1
-in-1
2 Hour Dr
ain C
ycle & R
est
ar
t (optional)."
R
efi
ll
F
T Maxim
um
90
sec.
90 sec.
FT
e
xceeded, 90
sec.
PT
st
ar
ts and
1-beep
alar
m
sounds
90.
sec.
PT t
er
minat
es
unit shuts do
wn and
1-beep alar
m
contin
ues
.
W
hen UFS closes
, alar
m
resets and 2.
Ice P
ur
ge
C
ycle st
ar
ts
.
WV
contin
ues
GM
de-ener
giz
ed
1.
DT Initiat
es DC
To b
ypass
, pr
ess the
"SER
VICE" b
ut
ton af
ter
GM st
ar
ts
.
5 min.
to "1
. F
ill C
ycle" abo
ve
90
sec.
(CB S1 dip s
witch 4 "ON")
FT
of
f (90 sec.)
5 or 30 sec.
(S1 Dip S
witch 7)
EH
ener
giz
ed
GM
ener
giz
ed
1
.
DT Initiat
es DC
C
ontin
ued unint
err
upt
ed
oper
ation
D
V ener
giz
es f
or 2 sec.
2
.
Contin
ued Oper
ation
D
V de-ener
giz
es
, no int
err
uption
in ice pr
oduction
30-min.
FZT
Star
tup
FZT e
xceeded (LFS does not
open):
CB shuts do
wn icemak
er
and sounds a 5-beep alar
m.
Leg
end:
BC
-bin contr
ol (infr
ar
ed sensor)
CB
-contr
ol boar
d
CCH
-cr
ankcase heat
er
CLPS
-contr
ol lo
w
-pr
essur
e s
witch
Comp
-compr
essor
DC
-dr
ain c
ycle
DT
-dr
ain timer
DV
-dr
ain v
al
ve
EH
-e
vapor
at
or heat
er
FMR
-f
an mot
or
-r
emot
e
FT
-fi
ll timer (lo
w w
at
er saf
et
y)
FZT
-fr
eez
e timer
GM
-gear mot
or
LFS
-lo
w
er fl
oat s
witch
PDS
-pump-do
wn solenoid v
al
ve
PT
-pur
ge timer
UFS
-upper fl
oat s
witch
WV
-inlet w
at
er v
al
ve
Lo
w W
at
er
Saf
ety
Shutdo
wn
(CB S1 dip s
witch 4 "OFF")
Nor
mal Oper
ation
PDS
ener
giz
ed
CLPS
closed
Comp
ener
giz
ed
FMR
ener
giz
ed
EH
contin
ues
GM
contin
ues
Not
e:
CCH ener
giz
es when po
w
er is supplied t
o SRC
.
CCH de-ener
giz
es when C
omp is ener
giz
ed.
See "VII.B
.3.
SRC-1
0J C
ondensing Unit."