Hoshizaki dcm-75ibah User Manual
12
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Chart
BC open (BC actuat
or
paddle eng
aged)
"F
-A" Contr
ol Boar
d Sequence Flo
w Char
t
DCM-751B_H(-OS)
1-in-1 dr
ain c
ycle
. D
V ener
giz
es f
or 2 seconds e
ver
y hour
(S1
Dip S
witch 4).
Does not af
fect oper
ation.
GM
ener
giz
ed
GMPR
ener
giz
ed
3.
1
-in-1
2 Dr
ain Cy
cle
& R
estar
t (optional)
2.
Icemak
er Of
f
UFS
open
LFS
open
FT
st
ar
ts (90 sec.)
WV
ener
giz
ed
Comp
ener
giz
ed
FM
ener
giz
ed
GM
ener
giz
ed
GMPR
ener
giz
ed
1.
Star
tup
2.
Ice P
ur
g
e Cy
cle
Comp
ener
giz
ed
FM
ener
giz
ed
GM
ener
giz
ed
GMPR
ener
giz
ed
P
ow
er S
witch "ON"
C
ontr
ol S
witch in "ICE"
S
af
et
y S
witch closed
"PO
WER OK" LED on
2.
Bin Contr
ol
Shutdo
wn & R
estar
t
1.
Bin F
ull
Comp
de-ener
giz
ed
FM
de-ener
giz
ed
GM
ener
giz
ed
GMPR
ener
giz
ed
1.
F
ill Cy
cle
3.
F
reez
e Cy
cle
LFS
closed
UFS
closed
FT
ter
minat
es
WV
de-ener
giz
ed
Comp
ener
giz
ed
FM
ener
giz
ed
GM
ener
giz
ed
GMPR
ener
giz
ed
Lo
w W
at
er
Saf
ety
1-beep
alar
m
sounds
PT
st
ar
ts
UFS
open
WV
ener
giz
ed
Comp
de-ener
giz
ed
FM
de-
ener
giz
ed
GM
ener
giz
ed
GMPR
ener
giz
ed
DV
ener
giz
ed
GM
de-ener
giz
ed
GMPR
de-
ener
giz
ed
10-min.
DT
ter
minat
es
DV
de-ener
giz
ed
1-in-1
2 DT
reset
3.
Icemak
er R
estar
t
5 min
ut
es
4.
Icemak
er R
estar
t
2.
Ice P
ur
g
e Cy
cle
3.
1
0-Min
ut
e Dr
ain
Leg
end:
BC
-bin contr
ol
Comp
-compr
essor
DC
-dr
ain c
ycle
DT
-dr
ain timer
DV
-dr
ain v
al
ve
FM
-f
an mot
or
FT
-fi
ll timer (lo
w w
at
er saf
et
y)
GM
-gear mot
or
GMPR
-gear mot
or pr
ot
ect r
ela
y
LFS
-lo
w
er fl
oat s
witch
PT
-pur
ge timer
UFS
-upper fl
oat s
witch
WV
-inlet w
at
er v
al
ve
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
cy
cle sequence
, see "3.
1
-in-1
2 Dr
ain C
ycle & R
est
ar
t (optional)."
R
efi
ll
Maxim
um
90
seconds
90 sec.
FT
e
xceeded
1-beep alar
m
sounds
90 sec.
PT
st
ar
ts
W
hen UFS closes
,
alar
m r
esets and
2.
Ice P
ur
ge C
ycle
st
ar
ts
.
1-beep alar
m
contin
ues
WV
ener
giz
ed
GM
de-ener
giz
ed
GMPR
de-ener
giz
ed
1.
DT Initiat
es DC
to "1
. F
ill C
ycle" abo
ve
90
seconds
(S1 dip s
witch 4)
FT
e
xceeded
PT
ter
minat
es
To b
ypass
, pr
ess the
"SER
VICE" b
ut
ton af
ter
GM st
ar
ts
.
5 min
ut
es
5 sec.
Maxim
um
90
seconds
LFS
closed
UFS
closed
FT
ter
minat
es
WV
de-ener
giz
ed
WV
ener
giz
ed
FT
st
ar
ts (90 sec.)
If F
ill
> 90 sec.
FT
1-beep alar
m
sounds
WV
ener
giz
ed
W
hen UFS closes
alar
m r
esets and
2.
Ice P
ur
ge C
ycle st
ar
ts
.
All Components
de-ener
giz
ed
to "2.
Ice P
ur
ge C
ycle" abo
ve
Ice le
vel lo
w
er
ed
6 t
o 1
0 sec.
BC c
losed
(BC actuat
or paddle diseng
aged)