77
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. (See Figure 170.)
FREEZER LOCKED
Figure 170
To restore the message that identified the rea-
son for the hard lock, turn the power switch
OFF for five seconds and then return the pow-
er switch to the ON position. The original
message with the reason for the Hard Lock
will be displayed. The FAULT DESCRIPTION
can also be found in the Manager’s Menu
(See page 83.)
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 o r 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. (See Figure 171.)
HEAT TREAT FAILURE
REASON
HEAT FOR HEAT CYCLE
WASH TO BRUSH CLEAN
Figure 171
If the reason for the soft lock has been
corrected, selecting the HEAT symbol
initiates a Heat Cycle immediately. Selecting
the WASH symbol
when the above
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,a power
loss was experienced at
the time t he cycle was
to occur, or a heat cycle
failure not due to a
thermistor failure.)
If the following screen appears, a soft lock has
occurre d during the heat treatment cycle.
(See Figure 172.)
HEAT TREAT FAILURE
FREEZER LOCKED
HEAT FOR HEAT CYCLE
WASH TO BRUSH CLEAN
Figure 172
A soft lock can also occur any time during
operation when the hopper or freezing cylinder
temperature rises above 59
_F(15_C), rises
and remains above 45
_F(7_C) for more than
one hour, or rises and remains above
41
_F(5_C) for more than four hours. If a
PRODUCT OVER TEMPERATURE condition
occurs during operation, the following screen
will appear. (See Figure 173.)
PRODUCT OVER TEMP
HEAT FOR HEAT CYCLE
WASH TO BRUSH CLEAN
Figure 173
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