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13
AST 14 C 259/00
Malfunction; shut-downs not resettable from boiler
Boiler shut-down due to water pressure switch
triggering
Flow probe fault
DHW probe fault
Return probe fault
Remote Control communication fault
Boiler type detection error (CTFS or CTN)
Gas/fan relay operator error
Gas modulation coil fault
Power supply voltage level too low
(a)
Flow gradient too high
Max. number of resume attempts from remote
exceeded
Notes: Backlighting:
Lights up steady on when some boiler buttons are pressed;
Lights up flashing (3 seconds ON and 2 seconds OFF) when a shut-down or
a fault occur.