Follett REF2 User Manual

Alarming Functions
Set high and low alarms
1. Press and hold SET and UP arrows simultaneously until L1 is displayed. Use the UP and DOWN arrows
to navigate parameters.
2. The low temperature alarm parameter is AlL. Once the parameter is displayed, press SET to display the
low alarm temperature. The alarm temperature will ash on the display. Use the UP and DOWN arrows
to set the alarm temperature. Press SET to accept.
3. The high temperature alarm parameter is AlH. Once the parameter is displayed, press SET to display
the high alarm temperature. The alarm temperature will ash on the display. Use the UP and DOWN
arrows to set the alarm temperature. Press SET to accept.
Start-up alarm delay
The refrigerator unit has a 120 minute time delay between when the unit is energized to when the temperature
alarms become active. This delay can be change in parameters in the controller under Alarm Startup Delay
(ASd).
Mute the Alarms
The mute button is used to temporarily mute the audible alarm for 10 minutes. If the alarm condition of the unit
has not changed in 10 minutes, then the alarm will sound again.
Alarm acknowledgement and alarm Reset
The alarm will need to be acknowledged after the alarm condition has been resolved, before the alarm will reset.
To acknowledge the alarm press and hold set until the RST is displayed.
Probe calibration
The temperature probes can be calibrated from –9.9 to +9.9. The calibration is in the second level menu under
P1C (control probe) P3C (Alarm).
Alarm Codes
When the unit senses an alarm, the display will ash the following codes.
Value Description
HA1 Temperature is above the High Alarm #1 set point.
LA1 Temperature is below the low Alarm #1 set point.
HA2 Temperature is above the High Alarm #2 set point.
LA2 Temperature is below the Low Alarm #2 set point.
Lob Low battery alarm.
Error Codes
Value Description
P1-P8 Controller is not sensing the probe.
F9 Error saving new parameter values to permanent storage.
F10 Incomplete model conguration.
F11 Number/membrane is sticking.
F21 Key shorted on user interface.
F22 Communication error with user interface.
F23 Communication error with Machine Control.
REF1/REF2 Compact Refrigerators 15

Follett REF2 Specifications

General

Brand	Follett
Model	REF2
Category	Refrigerator
Language	English