Benchmark i-mini 30 Installation And Servicing page 53

70 ALTERNATING 'L' AND '5' - 5 RESTARTS WITHIN 15 MINS
Turn power off and on
71 ALTERNATING 'L' AND '6' - FALSE FLAME LOCKOuT
Restart the boiler, does Boiler Work OK?
Separate the flame detection electrode in-line
connector. Is there continuity between the terminals
pins connected to the electrode?
Check routing and integrity of internal boiler wiring.
ReStARt PRoCedURe - To restart boiler, turn mode knob to restart position and immediately turn knob back to required setting.
72 ALTERNATING 'F' AND '1' - LOW WATER PRESSuRE
Are the Boiler and CH System filled with water and
all isolation and radiator valves open (check pressure
gauge is between 1 to 1.5 bar)?
Are connections on water pressure sensor secure?
Replace water pressure sensor
i-mini -
Installation and Servicing
Fault Finding
NO
NO
YES
YES
Check routing and integrity of internal boiler
YES
wiring is OK. Check condition of Flame Sense
Electrode and replace if deteriorated.
YES
Replace Flame Detection Electrode
NO Fill and vent the system and open all
isolation valves
NO
Re-fit connections
53