25
ENd USER
PERMANENT ERROR DISPLAY
− If a permanent error occurs, the error code
flashes on the main display. The controller per-
forms a safety shutdown. Example: E154.
− Press the
I
to display the error code on
the main display.
− Press and hold the
U
e
D
.
keys simulta-
neously for 3 seconds. The internal error code is
displayed. Example: 435.
− Press the
I
key to access the information
level
− Press the
V
or
M
key to return to the
main screen.
Note: Once you have eliminated the cause of the error,
press
S
to reset the boiler .