16 Models H71 & H84Important:To the Operator
The final phase of the heat treatment cycle is the
cooling phase. Now the freezer must cool the mix
below 41_F(5_C). If the product fails to cool in t wo
hours, the freezer will lock out.
This example illustrates that the temperature is being
lowered, but has not yet reached the set point.
H71 Screen:
MODE:HEAT
PHASE:COOL
HOPPERTEMP: 55.0 F
BRUSHCLEAN ON: MM/DD
H84 Screen:
HEAT :MODE: HEAT
COOL :PHASE: COOL
55.0F HOPPER 55.0F
BRUSHCLEAN ON: MM/DD
The entire heat treatment cycle must be completed in
four hours.
When the entire heat cycle has been completed, the
normaldisplay will appear, showing t he machine in the
STANDBYmode. T he machine may now be placed in
the AUTO mode or left in the STANDBY mode.
H71 Screen:
MODE:STANDBY
HOPPERTEMP: 41.0 F
BRUSHCLEAN ON: MM/DD
H84 Screen:
STANDBY :MODE: STANDBY
OK :MIX: OK
41.0F HOPPER 41.0F
BRUSHCLEAN ON: MM/DD
Hard Lock: There are two causes for a hard lock:
1. Fourteendays haveelapsed sinc e the last
brush cleaning. The following screen will be
displayed.
14DAY TIMEOUT
CLEANINGREQ’D
FREEZERLOCKED
PRESSSEL KEY
2. Therehas been a ther mistor failure (freezing
cylinder, hopper, or glycol) during the heat
treatment process.
SYSTEMFAULT
SERVICEREQ’D
FREEZERLOCKED
PRESSSEL KEY
Allfour LED’s on the front ofthefreez erwill light .P ress
the SEL key.
The next display is the screen which will appear after
thefailure message. Tocomply withhealthcodes, heat
treatment system freezers must complete a heat
treatmentcycle daily, andmu st alsobe brushcleaned
every 14 days. Brush cleaning is the normal
disassembly and cleaning procedures. Failure to
followthese guidelines will cause t he control to lock the
freezer out of the AUTO mode. Press the WASH key.
NOAUTO OPERATION
ALLOWEDUNTIL
BRUSHCLEANING
PRESSWASH KEY
The next display is the screen which will appear after
the brush cleaning message and illustrates that the
control is in the OFF mode and the machine needs to
be disassembled and brush cleaned.
H71 Screen:
MODE:OFF
HOPPERTEMP: 41.0 F
FREEZERLOCKED