Nova Florida VELA COMPACT - DHW Supply Issues; Gas Valve Modulation Issues

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BOILER STATUS MALFUNCTION PROBABLE CAUSE SOLUTION
No. 1 led is ashing 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 ow meter is not working
System insufcient pressure or
ow rate
Check DHW system
Check DHW ow meter lter
DHW ow meter sensor is faulty or
disconnected
Replace or reconnect it
DHW ow meter sensor is blocked Replace it
No. 1 led is ashing 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