48
FAULT FINDING
F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING
isar -
Installation and Servicing
77
FAULT FINDING CHART MAIN MENU
ALTERNATING 'L' 'F'
GO TO FRAME 78
ALTERNATING 'L' 'E'
GO TO FRAME 79
ALTERNATING 'L' 'A'
GO TO FRAME 80
ALTERNATING 'L' '8'
GO TO FRAME 81
ALTERNATING 'H' '1'
GO TO FRAME 82
ALTERNATING 'H' '2'
GO TO FRAME 83
ALTERNATING 'H' '3'
GO TO FRAME 84
ALTERNATING 'H' '4'
GO TO FRAME 85
ALTERNATING 'H' 'F'
GO TO FRAME 86
In order to assist fault finding the boiler has an LED diagnostic display. The key to the display codes is as follows:
ALTERNATING 'H' 'n'
GO TO FRAME 87
ALTERNATING 'H' 'E'
GO TO FRAME 79