Follett FZR Series - Manual (Page 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 programming key degrees C (optional accessory)
A controller programming key is available from Follett to provide fast and easy reprogramming of factory settings in
degrees C (part# 00193383).
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