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BOILER STATUS MALFUNCTION PROBABLE CAUSE SOLUTION
No. 1 led is flashing green and red.
The boiler will automatically resume
operation as soon as the malfunction
is corrected.
DHW probe is not working
DHW probe is disconnected Reconnect it
DHW probe is faulty Replace it
Boiler is not supplying DHW
DHW flow meter is not working
System insufficient pressure or flow
rate
Check DHW system
Check DHW flow meter filter
DHW flow meter sensor is faulty or
disconnected
Replace or reconnect it
DHW flow meter sensor is blocked Replace it
No. 1 led is flashing green.
The boiler will automatically resume
operation as soon as the malfunction
is corrected.
Gas valve modulation coil is not
working
PCB and gas valve link is disconnected
or faulty
Check connection to the gas valve
Gas valve modulation coil is faulty Replace gas valve modulation coil