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 | The machine was not in |
OFF | the AUTO or STANDBY |
| mode. |
|
|
NO HEAT CYCLE | A heat treatment cycle |
TRIED | 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
Models C709 & C717 | 21 | Important: To the Operator |
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