Wine Guardian Sentinel Series Installation, Operation And Maintenance Manual page 51

!3 = Defrost Sensor
Fault
!4 = Communication
loss
Only one Unit can be set up at a time.
Ensure other units are unplugged while
pairing a unit to ensure there are no
communication issues between Wine
51
!WARNING!
Guardian Units
THE SYSTEM REMAINS
OPERATIONAL DURING THIS
ALARM
Defrost sensor has been shorted,
disconnected or open.
(!3) will remain on screen until the
defrost sensor issue has been resolved.
THE SYSTEM REMAINS
OPERATIONAL DURING THIS
ALARM
Bad or no data transfer between
sensing device and main control board.
"!4" will remain on screen until
communication is re-established.