Boiler temperature controller EKOSter 420
22
24.3 Alarms - Damaged DHW temperature sensor
When the DHW temperature sensor is
damaged or the temperature measured
is out of range, then instead of the
temperature - will be shown and the red
LED ERROR will be lit continuously with
continuous sound (as long as it is turned
on - see Alarm - sound).
Temp: 56
°
: --
°
!
!
Note:
Pressing the or button when the alarm sounds will
mute it.
Note:
Pressing the or button when the alarm sounds will
mute it.
24.4 Alarms - Thermal fuse
Thermal
Fuse
In the event of an overrun on the boiler
temperature above 90 ° C, there blower
will be disabled in emergency mode. At
the same time the display will show
THERMAL FUSE, the red ERROR LED
will flash and an intermittent beep will be
generated (as long as it is turned on -
see Alarm - sound)
When the temperature drops below 70
°C, the thermal protection system is "off"
and the controller returns to normal
operation.
