Milnor C4A, Manual, Page: 14 / 36

MSOP0503AE/9274AV
(1
of 1)
È THE C4A ELECTRONIC COIN WASHER-EXTRACTOR CONTROL
All controls and displays for operation of the C4A are visible on the front panel (FIGURE 1). Controls
and indicator lights for the M4A (single formula, non-coin) machine are shown in FIGURE
Detailed explanations of the following items are given throughout this manual.
Ê Nameplate Controls
Ë Run/Test Keyswitch
—When this keyswitch and the Run/Attendant keyswitch are set to “Run,” the
machine operates normally. When this keyswitch is set to “Test” and the Run/Attendant keyswitch is set to “Attendant,” a qualified service technician may view the software version and troubleshoot certain machine functions by actuating displays, inputs, outputs, and functional tests.
Ë T
est Button
—Depress this button to scroll among available tests (displays, inputs, and outputs) when
the Run/Test keyswitch and the Run/Attendant keyswitch are set to “Test” and “Attendant,” respectively.
Ë Run/Attendant Keyswitch
—When set to “Run,” the machine operates normally, requiring coins
for starting. When set to “Attendant,” the optional push-button (START button) operation is enabled.
This
keyswitch must be set to “Attendant” to access the testing and troubleshooting functions of the control.
Ë T
O
REDUCE SUDS Button
—U
se
d d
u
ri
ng
nor
m
a
l
oper
a
ti
o
n
t
o
r
e
d
u
ce
t
h
e l
eve
l
of
s
u
d
s i
n
th
e
machine to a level below the “Suds Level” line on the loading door glass, thus increasing washing
efficiency.
During output testing, this button is used to toggle individual outputs and functional tests
ON
and
OFF.
Ë START Button (optional)
—This button (optional, not shown) is enabled when the Run/Attendant
keyswitch is set to “Attendant.” It allows an attendant to operate the machine without coins.
Ë Select Temperature Buttons
—These three buttons allow the user to select the appropriate first
bath water temperature for the goods loaded.
Ê Display
Ë Deposit Coins Display
—W
he
n t
h
e m
ach
in
e
is
r
e
ad
y
f
o
r no
rm
al
o
p
er
at
io
n
(n
ot
r
u
nn
in
g
a
w
a
sh
cycle), these two digits display the number of coins required to start the machine. When the machine is running a wash cycle, this display is dark. In Test mode, this display is dark except for two flashing
decimals.
Ë T
ime Remaining Display
—Dur
ing
n
o
rm
al oper
atio
n,
this
dis
p
lay s
hows
the
number
of
m
inutes
remaining in the current wash cycle. When the machine is in Test mode, the individual segments of this display represent inputs, and illuminate as inputs are made.
Ë M
achine Status Display
—D
ur
in
g
n
o
rm
al oper
atio
n,
th
is
dis
p
lay s
hows
which
s
tep of
the wa
sh
cycle the machine is currently performing. When the machine is in Test mode, this display is dark except for a single flashing decimal.
Î FIGURE 1
(MSOP0503AE)
Î Nameplate of C4A Models