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14 Fault Finding
DIAGNOSTIC CODES - LEVEL 1
Installer Access
14602
To enter the diagnostics menu follow the procedure below:-
Press and hold the ‘MODE’ and ‘+’ buttons for approx.... 5 seconds until the screen changes. Use the ‘+’ or ‘-’ button to select
the number 96, this is the password. Hold the ‘MODE’ for approx.... 5 seconds when 96 is selected, when the screen changes
release the button. The screen will ash between ‘L1’ and a number. ‘L1’ indicates you have level 1 access, the number
indicates the diagnostic number below. Use the ‘+’ and ‘-’ to cycle through the selections below. To select a diagnostic number
press the ‘MODE’ button when the correct number is selected. The display will show the parameter value of the diagnostic
number selected. To return to the diagnostic number selector simply press the ‘MODE’ button. To change the parameter use the
+ or - buttons. Once the value has been changed it must be saved by holding the ‘MODE’ button for approximately 5 seconds.
This will return to the diagnostic number selector.
Diagram 14.6
d.99 State list (see State Lists table)
d.28 Option relay 2 reserved for future use
d.27 Option relay 1 reserved for future use
d.24 Water pressure in bar
d.97 Activation of second diagnostic level Password needed
>8 no flame, <4 good flame
Indicates read and write function - all other diagnostics are read only
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