45
BOILER STATUS
MALFUNCTION
PROBABLE CAUSE
SOLUTION
The boiler has shut down, red light 2
and yellow light 8 are flashing.
Boiler will automatically resume
operation when the problem has
been solved.
CH probe is not operational.
CH probe is disconnected
Reconnect it.
CH probe is faulty.
Replace it.
The boiler has shut down and red
light 2 is flashing.
Boiler will automatically resume
operation when the problem has
been solved.
DHW probe is not operational.
Model HC.
DHW probe disconnected.
Reconnect it.
DHW probe faulty.
Replace it.
Boiler is not providing DHW
DHW flow meter is not opera-
tional.
Model HC
Insufficient system pressure or
capacity
Check DHW system.
Check DHW flow meter filter.
Flow meter sensors is disconnected
or faulty.
Replace or reconnect it.
Flow meter is stuck.
Replace it.