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Models C709 & C717 Important: To the Operator
Touching the SEL symbol will display the following
screen.
FREEZER LOCKED
2. The following screen will display if there has
been a thermistor failure (freezing cylinder or
hopper) during the heat treatment process.
SYSTEM FAULT
FREEZER LOCKED
SERVICE REQ'D
> WASH TO BRUSH CLEAN
Touching the SEL symbol will indicate which
thermistor caused the Hard Lock.
HOPPER THERM BAD
FREEZER LOCKED
If the machine has hard locked and an attempt is
made to enter AUTO, the machine will enter the
STANDBY mode and display the following message.
FREEZER LOCKED
To restore the message that identified the reason for
the hard lock, turn the power switch OFF for five
seconds and then return the power switch to the ON
position. The original message with the reason for
the Hard Lock will be displayed.
The FREEZER LOCKED message will remain on
the display until the brush clean requirements are
fulfilled. The freezer must be disassembled in order
to activate the five minute timer on the display
screen. Once the timer counts down to zero, the
lockout is cleared.
Soft Lock
If a heat treatment cycle has not been initiated within
the last 24 hours, a soft lock failure will occur. A soft
lock allows the operator to correct the cause of the
soft lock. The operator has the option of either
starting another heat cycle or brush cleaning the
machine. When a soft lock occurs, the machine will
go into the STANDBY mode. The following message
is displayed on the screen. The reason for the soft
lock is indicated on the second line.
NO HEAT CYCLE START
REASON
> HEAT FOR HEAT CYCLE
WASH TO BRUSH CLEAN
If the reason for the soft lock has been corrected,
selecting HEAT CYCLE initiates a Heat Cycle
immediately. Selecting BRUSH CLEAN when the
previous message is displayed will hard lock the
machine and brush cleaning will be necessary.
Following are the variable messages for soft lock
failures that appear on the second line of the screen.
POWER SWITCH OFF
Power switch was in the
OFF position.
MIX OUT PRESENT There was a mix out
condition present.
AUTO OR STANDBY
OFF
The machine was not in
the AUTO or STANDBY
mode.
NO HEAT CYCLE
TRIED
A heat treatment cycle
was not attempted in
the last 24 hours.
(AUTO HEAT TIME
was advanced or a
power loss was experi-
enced at the time the
cycle was to occur.)
If the following screen appears, a soft lock has
occurred during the heat treatment cycle.
HEAT TREAT FAILURE
FREEZER LOCKED
> HEAT FOR HEAT CYCLE
WASH TO BRUSH CLEAN