Roca LAURA 20 - Flame Safeguard Rectification System (I)

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Flame Safeguard Rectification System (I)
Yes
Yes
Yes
No
No
No
Light-up
Boiler reset
Lockout
•End of spark ignition
•Service available
Press reset buttom
•End of spark ignition
•Safety solenoid
valve closes
•Display of fault code
12 and red LED
Call for service (Light-up)
Spark ignition:
ignition
electrodes
Safety solenoid
valve opens
(gas inlet)
1st solenoid
valve opens
(27,769 Btu/7 Th)
2nd solenoid
valve opens
(47,604 Btu/12 Th)
Attempt to
light up
Fault
corrected
Lights up
in less than
2 secs.
Service now restored
Lights up
in less than
3 secs.
Laura 20/20F wall-hung waterheaters