Worcester Greenstar FS30 ErP regular LPG Boiler Fault Codes

Code	Description	Check, repair/replace as necessary
A8	EMS coms error	Check all electrical connections, replace control board.
b1	Code plug not detected	Insert code plug correctly, test and replace as necessary.
b2,b3,b4, b5,b6	Data error	Replace control board.
b7	Burner control error	Replace control board.
C6	Fan defect	check fan, lead and connector. Replace as necessary
d3	External temp limiter	Connect terminals 8 & 9 on ST8.
d5	Condensate pump failure	see condensate pump table
EA	Burner control lockout	Check gas is present, ignition electrodes and harness, flame sense electrode and harness, and operation of gas valve. Replace as necessary.
E2	Primary NTC defect	Check primary NTC sensor and leads, resistance across NTC should be between 36k to 1k Ω
E9	OH stat tripped	Check system pressure, overheat thermostat, and pump operation. Replace as necessary
F0	Internal error	Check all electrical connections, replace control board as necessary.
F1	ROM error check	Check all electrical connections, replace control board as necessary.
F7	Flame detected after appliance shut off	Check flame sense electrode and harness, and control board for signs of water damage. Replace as necessary
FA	Flame detected after gas shut off	Check flame sense electrode and harness, and control board for signs of water damage. Check gas valve operation. Replace a s necessary
Fd	Reset button pressed	press reset button again.