Danfoss Heating
7
Flame: shows when heating output is on
Standby: shows when unit is manual set to standby
Battery: fl ashes when battery is low (battery units only)
Padlock: indicates keyboard lock has been set at
installation
Antenna: indicates a paired link is active between the
thermostat and receiver
External Sensor Alarm:
E5 = Sensor short circuit
E6 = Sensor open circuit / missing