33
BOILER STATUS
MALFUNCTION
PROBABLE CAUSE
SOLUTION
No. 1 led is flashing green and red.
The boiler will automatically resume
operation as soon as the malfunc-
tion 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 malfunc-
tion is corrected.
Gas valve modulation coil is not
working
PCB and gas valve link is discon-
nected or faulty
Check connection to the gas valve
Gas valve modulation coil is faulty
Replace gas valve modulation coil
