648PRO Displays dO Or
- Error code dO Or
- The word door appears on the control panel
- 648PRO with do or or door on display
- Alarm chiming on 648PRO when door alarm is turned off
- 648PRO door alarm do0r error
The door alarm (dO Or) feature was added to 648PRO at the end of 2015.
- The feature may have also been added to the unit during a service visit.
- The "do or" alarm will not display when the door is left ajar and unit is in Sabbath mode.
When dO Or is activated:
- The unit will start to chime and flash "dO Or" on the control panel if the door is left open longer than five minutes.
- The feature cannot be turned off.
- The "dO Or" feature will activate even with the door ajar alarm turned off.
- Closing the door will reset the alarm.
- After the door is closed, the control panel will not respond for five minutes.
- After five minutes, the unit will operate normally.
- The standard door alarm starts to chime after the door is open 30 seconds and can be turned off.
- 648PRO Professional Refrigeration Door Ajar Alarm
- PRO3650 and PRO4850 Refrigeration Door and Drawer Alarm
Refer to the product Use and Care Guide for further information.
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