Chaffoteaux & Maury MINIMA MX2 24 FF NG, Руководство по обслуживанию и ремонту

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Incorrects functions is signalled by leds (rep 19) display flashing correspond with chart below.
INCORRECT FUNCTION
CODE FAULT INFORMATION
30 40 50 60 70 80
m m m m m l Overheating safety feature.
m m m m l l No flame detection.
m m m l m l
Antifrost mode on (pump in operation).
m m m l l m Antifrost mode on (burner and pump in operation).
m m m l l l lack of water circulation.
m m l m m m Primary water circulation defect
m m l m l l Central heating inlet thermistor faulty (open circuit).
m m l l m m Central heating inlet thermistor faulty (short circuit).
m m l l m l
Central heating oulet thermistor faulty (open circuit).
m m l l l m
Central heating oulet thermistor faulty (short circuit).
m l m m l m Firing problem
m l m l m m Wiring problem (or fuse 1,25 A)
m l m l m l Fan on but does not activate air pressure switch.
m l m l l m
Fan off but air pressure switch fails to return to off position.
m l l l l l Communication defect with the display PCB.
l m m m m m Communication defect with the main PCB.
m
= LED off
l
= LED blinking