8
Signals
Turn on
Heating
A room
thermostat
Fault
light off
light off
light off
light off
Boiler OFF.
light on
light off
light off
light off Boiler on but does not heat,
room thermostat does not allow
for it.
light on
light on
light on
light off Boiler on and heats, a room
thermostat sends heating
signal.
light off
light off
light off
light on
A failure: no water in the boiler.
light off
flashing
light off
light on
A failure of the temperature
sensor. If you can start the
boiler up (boiler is heating) - a
failure of inlet temperature
sensor
light on
light off
flashing
light off Maximum inlet temperature
is reached, no heat collection
from C.H system
flashing
light off
light off
light off Boiler OFF but the pump is still
working. Pump will switch off
after 90 sec.
