38
Controls, Systems and Operations
Models C708/C709/C716/C717
Power Interrupt
All operating modes and setpoints are stored in the
battery backed memory. Having been in the AUTO,
STANDBY, or any of the HEAT mode phases,
recovery from a power failure will return the machine
to its previous mode of operation after a Memory
Initialization function has occurred. If a power failure
has occurred, the Safety Time Out screen will
display a “Power Failure” message on the first line
and the audio alarm will be ON. This message must
be cleared.
If the freezing cylinder or hopper temperature rise
above 41_F(5_C) and stay above 41_F(5_C) for 4
hours, the machine will soft lock when power is
restored. If the temperature rises above 59_F
(15_C) the machine will lock immediately.
14 Day Brush Clean
In order for the control to recognize that the unit has
been brush cleaned, the following criteria must be
met.
1. The freezing cylinder and hopper temperatures
must be above 60_F(16_C).
2. The mix out and mix low probes must not be
satisfied.
3. The door must be removed.
Note: The power switch must be OFF to view the 5
minute countdown timer.
Note: The criteria in Steps 1 - 3 must be met
simultaneously for 5 minutes. These criteria will
be met when the unit is properly brush cleaned
according to the Taylor Operator’s Manual.
Completion of a successful brush clean resets the
Brush Clean Cycle timer and removes the locked
condition. A new brush clean date is calculated the
first time that the Auto or Standby mode is entered.
A screen showing the status of the elements
required for a brush clean are displayed when the
power switch is in the OFF position and the machine
is not in a brush clean state.
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.
POWER SWITCH O FF
TIME: 5:00
HOPPER 41.0
BARREL 41.0
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
cleaning are met, and the five minutes expire, the
screen will change to the second screen, which is
the standard power switch OFF screen.
POWER SWITCH O FF
-- = -- = -- = -- = -- = --
UNIT CLEANED
When the power switch is placed in the ON position,
the third line of the screen will display “Unit
Cleaned”.
UNIT CLEANED
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