12
Systems, Controls and Operations
Model C602
Heat Mode Symbol
When the HEAT MODE symbol is illuminated,
the freezer is in the process of a heat cycle. The
heat mode symbol may be selected to start a heat
cycle following a freezer soft lock condition.
For some International models, the heat symbol can
be selected to manually start a heat cycle at any
time.
Brush Clean Countdown - Displays the number of
days before the next brush cleaning is required.
When the display has counted down to “1”, the
machine must be disassembled and brush cleaned
within 24 hours.
Power Up
When the machine is powered the control system
will initialize to perform a system check. The screen
will display “INITIALIZING”. There will be four types
of data the system will check: LANGUAGE,
SYSTEM DATA, CONFIG DATA, and LOCKOUT
DATA.
During the INITIALIZING... LANGUAGE screen, the
alarm will be on. If the system detects corrupt data
during INITIALIZING, the following display will alert
the operator that the control settings may have been
changed (See Figure 4.)
SERVICE REQ’D
NVRAM FAULT
RESET TO DEFAULTS
< PRESS TO CLEAR
Figure 4
Once the system has initialized, the number of days
remaining before the next required brush cleaning is
indicated on the control panel and the SAFETY
TIMEOUT screen is displayed with the alarm turned
on. (See Figure 5.)
SAFETY TIMEOUT
ANY KEY ABORTS
Figure 5
The SAFETY TIMEOUT screen will be displayed
with the alarm on, for 60 seconds or until any control
symbol is selected.
After the safety timeout has been completed and the
power switch is OFF, the following screen is
displayed. (See Figure 6.)
POWER SWITCH OFF
=-=-=-=-=-=-=-
UNIT CLEANED
Figure 6
Power Switch ON
When the power switch is placed in the ON position,
the control panel touch keys become operative. The
VFD will be either blank or indicate that the unit has
been cleaned. (See Figure 7.)
UNIT CLEANED
Figure 7
Display for Internation a l Models Only:
Some International models will continuously display
the temperature of each mix hopper when the power
switch is in the ON position. (See Figure 8.)
HOPPERS 21.0 21.1
UNIT CLEANED
Figure 8
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