F3Dn Service Manual Parts Replacement / Section 2.11
For Technical Support, Call 800-537-2653. Copyright
2006 Franke, Inc. All rights reserved.
2.11 Low Product Sensor Replacement
[Part No. 19000384]
1)
Roll the unit out to allow access to rear service panel.
2)
Disconnect power at outlet. [Pull power cord plug.]
3)
Remove two screws securing service access panel.
4)
Disconnect Low Product Sensor cable lead at Main
Control Board. [See Photo 1]
5)
Use a ‘C’ Ring pliers to remove the external ‘C’ Ring
retainer from the Low Product Sensor Sleeve.
6)
Remove the retaining washer with its formed finger
retainer.
7)
The Low Product Sensor slides out of the outer sleeve
but must be unscrewed counterclockwise to break the
soft sealant (on front of the sensor) from outer sleeve.
8)
Take new Low Product Sensor [P/N 19000384] and
apply a small amount of silicone sealant to the nose then
slide it back into the plastic sensor sleeve.
9)
Replace the retaining washer over the sensor sleeve,
being careful to insert the retaining finger into the
receiving slot on the sleeve.
10) Re-insert the external ‘C’ Ring.
11) Reattach the Low Product sensor cable lead to the Main
Control Board terminal.
12) Plug in unit power cord to power supply.
13)
Adjust Low Product Sensor Sensitivity
by:
14) Position an empty hopper in the freezer compartment.
15) Locate the small red plastic LED indicator light on the
Main Control Board. [It is labeled: Low Product]
16) Open the small plastic cover on the back of the sensor
with your fingertips or the small plastic screwdriver.
17) Using the a small plastic screwdriver provided, slowly
turn the adjustment screw on the sensor clockwise until
the LED light comes
ON
, then back that screw
counterclockwise until the LED light just goes
OFF
.
18)
Test
the Low Product Sensor by:
19) Fill the Lane Hopper with fries to a level above the Low
Product Sensor. Switch ON main power on front panel.
Press and turn ON Lane at front Control Panel. If LOW
PRODUCT light comes on, repeat Sensor sensitivity
adjustment described in Step 15.
20) If this sensor adjustment corrects problem, replace small
plastic plug in back of Low Product Sensor.
NOTE
: this
plug must me closed to avoid water getting in sensor.
21) Close rear service access panel and return F3Dn
Dispenser to normal operating location.
[Photo 1]
Disconnect Low Product Sensor
cable connector at Main Control
Board.
[Photo 2
]
Remove the inner ’C’ Ring
retainer and screw out the
sensor.
[Photo 3]
After removing the small plastic
plug, use the plastic 1/16”
screwdriver provided to adjust
sensor sensitivity.
Rev. 1 9/06
Ø
