7
Controller security
The controller panel can be locked to prevent inadvertent or intentional programming changes. In locked mode,
the controller will display cabinet temperature and cut-out set point only.
To lock the controller
1. Press the UP and DOWN ARROW buttons together for 3 seconds until “PoF” displays (will fl ash 3 times).
2. Programmer is now locked.
To unlock the controller
1. Press UP and DOWN ARROW buttons together for 3 seconds until “Pon” displays (will fl ash 3 times).
2. Programmer is now unlocked
Controller programmer key (optional accessory)
Controller programming keys are available from Follett to provide fast and easy conversion of factory programmed
controllers from °F to °C (service part number 00183327) or back to °F (service part number 00183319). In
addition both programming keys will accept user programmed cut-out settings to allow fast and easy transfer of
these user selected settings to multiple refrigerators.
Programming refrigerator from a key (download)
1. Turn OFF refrigerator.
2. Remove 6 screws from panel holding controller to access back of
controller.
3. Insert appropriate programmed key into 5 PIN receptacle on
controller back.
4. TURN ON refrigerator.
5. Values from key automatically download to refrigerator (“dol”
message blinks followed by “end”).
6. After 10 seconds display returns to current refrigerator
temperature and controller will restart with new values.
7. TURN OFF unit.
8. Remove programming key.
9. Reinstall panel.
Note:
An “Err” message displays for failed programming. Turn refrigerator OFF then ON to restart download, or
remove key to abort.
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6 7
5
8
11 12
Controller
programming key
(accessory)
Supply
Line
Comp
!
Probe
Fig. 8
