USER INTERFACE
5-3
Models 345, 346, 349, 355
User Interface
5
Operator Menu Display
The OPERATOR MENU is used to enter the operating
screens. To access the OPERATOR MENU, press the
word MENU. The cursor will flash under the letter A,
indicating that this is screen A. To select a different
screen, use the arrow keys to move the cursor to the
desired screen selection and press the SELECT key.
Operator Menu Timeout
If the display is left in the operator menu or any of the
operator menu selections, except for current conditions,
the display will return to the system mode screen 60
seconds after the last key press. The current conditions
screen will be displayed until manually changed.
Finding Current Fault Conditions
Screen B is FAULT DESCRIPTION. The FAULT
DESCRIPTION will indicate if there is a fault in one of the
freezing cylinders. When the fault is corrected, the
warning tone will stop. Only the last two fault messages
require pressing the OFF/<- - - key to clear the fault
message and warning tone.
Table 5-2
The following are explanations of the possible faults and
the display screens.
The second and third lines indicate the faults found in the
left and right freezing cylinders respectively. The
following screen indicates that no faults exist on either
side. To see if there is more than one fault, press the +++
key.
1.
NO FAULT FOUND—
No fault conditions are
apparent.
Note:
On Model 349, faults for freezing cylinders
one and two are shown on the first screen. Press the
SELECT key to read fault messages for freezing
cylinders three and four.
2.
BEATER OVERLOAD—
The beater motor is out on
overload. When this fault occurs, the machine
automatically turns off. The fault clears when the
condition is corrected.
3.
CHK REFRIG SYS PSI—
The compressor is out on
high head pressure (or low suction pressure, an
option that applies to some machines). When this
fault occurs, it places the machine in the Off mode.
The fault clears when the condition is corrected.
4.
THERMISTOR SHORT—
One or both of the barrel
(freezing cylinder) thermistor probes are faulty.
Fault Messages
No Fault Found
No fault conditions are apparent.
Beater Overload
Beater is out on overload.
Chk Refrig Sys Psi
Compressor is out on high head pres-
sure (or low suction pressure = option
that applies to some units)
Thermistor Short
Shorted thermistor probe.
Thermistor Open
Open thermistor probe.
H
2
O Pressure Low
Water pressure is low.
CO
2
Pressure Low
CO
2
pressure is low.
Syrup Pressure Low Syrup is no longer present.
BRL Temp 2 High
Freezing cylinder temperature is above
120
°
F (49
°
C).
BRL Not Cooling
Freezing cylinder is not cooling after 5
minutes.
OPERATOR MENU
A B C D E F G H
EXIT MENU
L
E
S
>
-
-
-
-
<
FAULT DESCRIPTION
L:
NO FAULT FOUND
R:
NO FAULT FOUND
CLR
+ + +
SEL
FAULT DESCRIPTION
L: BEATER OVERLOAD
R: BEATER OVERLOAD
CLR
+ + +
SEL
FAULT DESCRIPTION
L: CHK REFRIG SYS PSI
R: CHK REFRIG SYS PSI
CLR
+ + +
SEL
FAULT DESCRIPTION
L: THERMISTOR SHORT
R: NO FAULT FOUND
CLR
+ + +
SEL
