23
Function of signal button
The signal button incorporated into the W-FM 10 carries
out the following functions:
• Resetting burner lockout
• Transmitting an optical diagnostic code
• Optical data transfer**
Depending on the existing situation (burner operating or in
lockout) the signal button has to be pressed for either 1 or
5 seconds to start the required function.
Accidental operation of the button for less than 1 second:
Code deleted, manager remains in lockout.
Press illuminated push button only slightly until
its switch point can be felt. Pressing the push
button too hard can damage the combustion
manager.
Burner operation > switch off
~ 1 sec.
Data transfer ON**
~ 5 secs.
Data transfer OFF**
~ 5 secs.
green orange
flickering red flickering red
green
green orange green
Burner lockout > reset
~ 1 sec.
Burner lockout > diagnostic code ON
~ 5 secs.
Burner lockout > diagnostic code OFF
~ 1 sec.
Lockout > diagnostic code > data transfer ON**
Lockout > diagnostic code > data transfer OFF**
~ 1 sec.
red green
red orange flashing red* flashing red* orange green
flashing red* orange flickering red flickering red orange green
orange
~ 5 secs.
On On On
On
On
On On On OnOff Off
Off Off
OffOff
Off
* Matching of diagnostic codes see Ch. 6
** is not used
5.6 Operating the W-FM 10
If accidental pressing of the button has activated the
optical data transfer, this can be deactivated, by pressing
the button again, and following the sequence diagram
below.