Follett FZR5 Installation, Operation And Service Manual - Page 8
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Controller Security
The controller panel can be locked to prevent unauthorized programming changes. In locked mode, the controller
displays cabinet temperature and set point only.
To lock the controller
1. Simultaneously press and hold UP and DOWN ARROW buttons for 3 seconds, until "PoF" displays (flashes
3 times).
2. Programmer is now locked.
To unlock the controller
1. Simultaneously press and hold UP and DOWN ARROW buttons for 3 seconds, until "Pon" displays (flashes
3 times).
2. Programmer is now unlocked.
Programming Refrigerator from a Program Key (download)
A controller programming key is available from Follett to provide fast and easy reprogramming of factory settings.
Program Serial# Range
Above D18495
1. Move the power switch to OFF.
2. Remove the front lower panel cover to access the controller
(Fig. 10).
3. Insert appropriate programmed key into 5-pin receptacle located
on back of controller.
4. Move the power switch to ON.
5. Values from key automatically download to refrigerator ("dol"
message blinks followed by "end").
6. After 10 seconds, the display returns to current refrigerator
temperature and controller restarts with new values.
7.
Move the power switch to OFF.
8. Remove programming key.
9. Reinstall panel.
10. Move the power switch to ON.
Note: An "Err" message displays for failed programming. Turn refrigerator
OFF then ON to restart download, or remove key to abort.
8
FZR Undercounter Freezer
Frequency of
Maximum Duration
Defrost
of Defrost
6 hrs
15 min
Temp
Display °
FZR4-ADA & FZR5 – Item#
C and F
Fig. 10
00976654