29
Model C723
Controls, Systems and Operations
Completion of a successful brush clean resets the
Brush Clean Cycle timer and removes the locked
condition. After the unit is placed “in use”, the Brush
Clean Cycle timer counts the hours since brush
clean up from 00 through 99, then A1 through A9,
B1 through B9, etc.
A screen showing the status of the elements
required for a brush clean is displayed when the
power switch is in the OFF position and the machine
is not in a brush clean state. (See Figure 63.)
POWER SWITCH OFF
TIME: 5:00
HOPPER
41.0
41.0
BARREL
41.0
41.0
Figure 63
Line 1:
Indicates the power switch is OFF.
Line 2:
Shows the time (in minutes and seconds)
remaining for the system to enter a Brush Clean
state.
Line 3:
Shows the hopper temperature.
Line 4:
Shows the barrel temperature.
If any of the requirements for a brush clean have not
been met, the time displayed will remain at 5:00
minutes. When all the requirements for a brush
clean are met, the screen will change to the
standard Power Switch Off screen. (See Figure 64.)
POWER SWITCH OFF
−
=
−
=
−
=
−
=
−
=
−
UNIT CLEANED
Figure 64
Bad Thermistor Detection
Three codes have been set up to assist the service
technician in diagnosing a machine for faulty
thermistor probes.
“SHRT”
will be displayed on the VFD screen if a
probe has shorted (resistance less than 1 ohm) for
its respective machine location.
“OPEN”
will be displayed if the probe is open
(resistance above 1 megohm).
“OVER”
will be displayed if the actual probe
environment exceeds 200 F° (93 C°), indicating that
the temperature is “out of range”.
Memory Initialization
The UVC4 platform supports multiple languages by
keeping specific strings in program memory. The
currently selected language is copied into NVRAM
memory for faster access. After power-up or a CPU
reset, the strings in NVRAM memory are tested to
see if the language strings are corrupted. If the
strings are corrupted, the language selected will be
forced to English. (See Figures 65 and 66.)
Initializing
Language
Figure 65
> English
Espanol
Dansk
Francais
Figure 66
Summary of Contents for C723
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Page 39: ...35 Model C723 Controls Systems and Operations 140519 C723 Control Overview Figure 72 ...
Page 41: ...37 Model C723 Controls Systems and Operations 130409 Refrigeration Schematic Figure 73 ...
Page 52: ...48 Troubleshooting Model C723 Notes ...
Page 55: ...51 Model C723 Parts Notes ...
Page 56: ...52 Parts Model C723 150603 Model C723 Exploded View Figure 74 ...
Page 59: ...55 Model C723 Parts 140519 Model C723 Operator Parts Figure 75 ...