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9.1.5 Service menu
Service menu
Main menu
Service menu
Test program ‘L’
Test program ‘h’
Test program ‘H’
Service menu
Service menu
Test programs
The boiler has a test mode facility within the PCB.
By activating a test program, the boiler will operate with a
fixed fan speed without any of the control functions
intervening however, the safety functions remain active.
The following test programs are available:
2sec
The service menu is accessible by first touching the display just
above the power symbol then press and hold the service symbol
for 2 seconds.
Within the service menu:
► the test programs can be activated
► access to the (installer’s) parameters
► access to the info menu
The following symbols will illuminate:
► The Minus symbol
► The Plus symbol
► The Enter symbol
The Domestic Hot Water symbol and the Central Heating
symbol will be extinguished.
Program ‘L’
Burner on at minimum output.
Press and together once.
Program ‘h’
Burner on at maximum range rated central heating output.
Press
and together once.
Program ‘H’
Burner on at maximum output.
Press
and twice.
Switching o test program
Press
and together once.
To activate the ‘L’ test program:
1. Press the Service symbol
and the Minus button once
at the same time. The symbol ‘L’ will appear on the right of
the display.
2. Tap the Minus button and the Plus button at the same
time to terminate the program.
To activate the ‘h’ test program:
1. Press the Service symbol and the Plus symbol once
at the same time. The symbol ‘h’ will appear on the right of
the display.
2. Tap the Minus symbol and the Plus symbol at the
same time to terminate the program.
To activate the ‘H’ test program:
1. Press the Service symbol and the Plus symbol twice
at the same time. The symbol ‘H’ will appear on the right of
the display.
2. Tap the Minus symbol and the Plus symbol at the
same time to terminate the program.
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