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Model R280
Calibrations and Adjustments
Scale Calibration
The R280 Frozen Food Dispenser will maintain and
dispense fries from two hoppers. Each side has a scale
that weighs and dispenses frozen fries independent of
one another. These scales may require calibration
periodically.
1. Open the cabinet door and remove the hopper from
the Dispenser for the side to be calibrated.
Note:
The accumulator housing(s) must remain in place
on the accumulator doors.
Calibration of the scales is performed using the
operator panel on the front of the Dispenser.
2. Press the Up arrow button
until "
U2
" is displayed
then press the Enter
button. The display will
change to "
[CAL]
" (
[“---“]
for metric) with flashing
brackets alternating from left to right.
3. Select the side to be calibrated by pressing a Basket
Size
button on the side to be calibrated. The
display will change to "
[ --
" if the left side’s scale is
selected or "
-- ]
" if the right side’s scale is selected.
4. Place an empty fry basket under the accumulator
doors for the side to be calibrated. Lift the front of the
basket slightly and slide the basket forward over the
window for the basket sensor. The accumulator
doors will open and close to dispense any contents
into the basket, ensuring the accumulator housing is
empty before zeroing the scale.
5. The display will change to "
0.0
." The scale now tares
(zeros) itself automatically.
6. After it achieves a stable tare the display will change
to "
1.0
" or “
450
” if set to metric units. Place a 1 lb.
(450 g) reference weight on the accumulator doors
for the side to be calibrated. (Note: Four frozen ¼ lb.
patties can be used in place of a 1 lb. reference
weight.)
7. Once the scale stabilizes the display will change to
"
2.0
" or “
900
” if set to metric units. Place an
additional 1 lb. (450 g) reference weight (for a total of
2 lb. (900 g) on the accumulator doors for the side to
be calibrated.
8. After the scale stabilizes the display will change
to "
---
". Remove the reference weight(s) from the
accumulator doors and re-install the hopper for the
side that was calibrated.
The Dispenser will return to normal operation with no
basket size selected for the side that was calibrated.
9. Repeat for the opposite side’s scale if required.
Set Manager Password
A password can be set to restrict unauthorized access to
both the Manager and Diagnostic function menus. Once
set, the password will need to be entered to gain access
to restricted menus. Take care to remember your
password or write it down and keep it in a safe location.
A manager password is set and/or changed from the
Manager function menu (see Manager Function Menu
Structure (U3) on page 17) using the operator panel on
the front of the Dispenser and requires the current
manager’s password (if set) to access the menu.
To access the Manager function menu and set or change
the manager password, press the Up arrow
button
until "
U3
" is displayed, then press the Enter
button.
If a password is required the display will change to "
-----
"
Enter the manager’s password (if set) using the Basket
Size buttons. Then press the Enter
button.
Note:
The Basket Size buttons also function as number
buttons:
(e.g. the left Medium Basket button is number 2, and the
right Large Basket button is number 6.)
The display will change to "
F1
." Press the Up arrow
button until "
F6
" is displayed, then press the Enter
button. The display will change to “___”. Enter a manager
password using the Basket Size buttons. As the
password is entered the dashes in the display will move
from the bottom segments to the middle segments, e.g.
"
____
". Press the Enter
button to save the
password.
Note:
The password must be entered twice (double
entry).
If successful the display will change to "
F1.
" Press the
Enter
button to exit to the Main screen and return to
normal operation.
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