SIRe Advanced Fan Heater Water
39
GB
Table - Alarm
Alarm
Cause
Action
A1
Motor
alarm
Thermal switch has deployed.
One or several motors have
overheated. (Only units with
withdrawn thermal switches.)
Check that nothing is obstructing the
unit’s air intake and exhaust. When the
overheated motor has cooled the thermal
switch shuts again and the alarm can
be reset. At repeated alarms, check the
motors, replace damaged motors.
A2
Over heating
alarm
The temperature in the unit
has exceeded the alarm limit
for overheating.
Check that nothing is obstructing the unit’s
air intake and exhaust, the function of the
actuator and valve, flow temperature and
internal temperature sensor.
A3
Frost protection
alarm
The temperature in the unit has
fallen below the alarm limit for frost
protection. (Only applies to units with
internal unit temperature.)
Make sure that the ambient temperature
where the unit is installed e5°C.
Check the flow temperature, the flow of
hot water and the function of the actuator
and valve. In event of an alarm there a
risk that the battery is damaged, check
carefully for leakage and replace the
battery if damaged.
A4
Filter alarm
Fixed run time before the filter alarm
has been reached.
or the external filter alarm has been
activated.
Replace or clean the filter, adjust any
alarm time based on how dirty the filter
was and reset the alarm.
A5
Ext. alarm
External alarm input on SIReA1X has
been activated.
Check the external alarm.