Hi Chris,
I am getting my fault from Page 22 Section 5, last 2 sentences.
Light flashes very quick - i.e. not 1 time a second, So I ration it is about 5 Hz (10 times in 2 secs)
Light Status: No diag lights on, Mains (green) light on, and red 'water flow' light flashing at 5Hz
PAge...