Metro T-Series Hot Food Holding Cabinets - Manual (Page 10)

10
NOTE
:
Audio (if enabled), Button press produces a 1 /
4
second “chirp”. Low temp Alarm: (3) 1 /
2
second beeps, repeating
every 10 seconds.
Controller User Settings
• User settings are classified as:
◦◦ Temperature◦Scale◦Mode
◦◦ Sound◦Mode◦and
◦◦ Lock-out◦Mode
Modifying the Controller’s User Settings
• Turn the cabinet OFF.
• Press and hold the “Settings” button. Press and release the “power” button. The display shows 3 horizontal bars
(blinking).
• Continue holding the “Settings” button for 5 seconds. This enables the program mode, starting with temperature
scale selection.
Temperature scale mode
• The display will show only the temperature scale (blinking). Press the “+ or –” button to toggle between °F and °C.
Press the “Settings” button to save and advance to the Sound mode.
Sound mode
• The display shows “Snd On or Snd OFF” (blinking). Press the “+ or –” button to toggle between them (this setting
will always default to the setting that it had previously been set to). Press the “Settings” button to save and
advance to the Lockout mode.
Lock-out mode
• The display shows “LOC On or LOC OFF” (blinking). Press the “+ or –” button to toggle between them (this setting
will always default to the setting that it had previously been set to).
• Lock-out mode will prevent users from accidentally changing temperature and alarm settings. If the user attempts
to change the settings of the cabinet while the control lock-out is enabled, the temperature display will show
“LOC” (blinking) for 4 seconds before again displaying the current conditions.
NOTE
:
If no buttons are pressed for 20 seconds, the controller will automatically save and exit user settings mode.
Service Diagnostic Codes
• If the controller detects a problem in heating element, fan motor, or battery the following service codes will be
displayed:
Heating Element
Fan Motor
Battery
Temperature Sensor