F3Dn Service Manual Parts Replacement / Section 2.19
For Technical Support, Call 800-537-2653. Copyright
2006 Franke, Inc. All rights reserved.
2.19 Main Control Board Chip Replacement
[Part No. 18000812 –
Latest Version No
.]
1)
Turn the individual lanes OFF by pressing and holding
the individual LANE POWER button until the AUTO and
MANUAL light goes out.
2)
Pull the dispenser away from the wall so you can easily
access the rear of the unit.
3)
Disconnect power at outlet. [Pull plug.]
4)
Remove two screws that secure rear access panel.
5)
Locate the (2) circuit boards and the EEPROM chip
located on each board. (These are the chips to be
replaced.)
6)
Carefully insert the small screwdriver (included) between
the chip and the saddle as shown in Photo 3. Be careful
NOT to insert the screwdriver below the saddle.
7)
Gently pry the chip out of the saddle, being careful not to
damage any other components on the circuit board.
8)
Once the chip is nearly unseated, it can be pulled
straight out using your hand. You can now see the chip
saddle still in place on the circuit board.
9)
Carefully remove the replacement chip from it’s
packaging. It is important that static electricity be
avoided while handling the chip.
10)
Note:
Be careful not to install the chip upside down. The
semi-circular notch on one end of the chip should align
with the similar notch on the left side of the saddle.
11) With the notch on the chip to the left, matching the notch
on the saddle. Carefully insert the chip into the saddle. It
is recommended that the lower set of pins be aligned
with the lower set of slots, then the upper set of pins
aligned with the upper set of slots on the saddle. Then
carefully press the chip into place until it is fully seated.
Apply light pressure all along the chip to make sure that
all pins are fully inserted into their corresponding slot.
12) With the chip(s) changed, the dispenser is now ready to
be calibrated.
Please refer to Section 3.7 for
instructions on how to calibrate the dispenser.
Do
not reinstall the access panel. It must be off to calibrate.
[See additional detailed photos on page 2.]
[Photo 1]
Remove screws to remove the
rear service access panel.
[Photo 2
]
The EEPROM chip is the large
chip below the LCD Display.
[Photo 3]
Carefully insert the small
screwdriver between the chip
and the saddle at the small
notch on the left side.
Rev. 2 10/06
@
Tools Required
Ø
3/8” [10 mm] flat blade
screw driver
Ø
Small Chip-Replacement
screw driver (Provided)
