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5.7 Symbols in the display
5.8 Explanation of beeper tunes
Beeper description
Beeper lasting for approx.
2 seconds with unchangeable
“Self-test signal” to indicate
the completion of the self-test.
Beeper lasting for approx.
5 seconds with the beeper
signal set by the user.
Beeper with unchangeable
“error tune”.
A short beeper signal will
sound every time a key is
pressed (approx. 0.5 seconds
ON) basically at the volume set
by the user. If the volume is set
to OFF, then the signal sounds
at a medium volume.
Explanation
Self-test has been completed
The firing process has been
completed and the furnace
head is open *.
Error messages are supported
by the error tune *
Keypad test active
* The beeper can be interrupted by means of the STOP key.
Symbol name Meaning
Symbol
“One-stage
Indicates that a conventional,
program“
one-stage program is used
“Two-stage
Indicates that a specific,
program“
two-stage program is used.
The bold line indicates the
values for the
first
stage
“Two-stage
Indicates that a specific,
program“
two-stage program is used.
The bold line indicates the
values for the
second
stage
Furnace head
Is shown in the recommendation
open
area and indicates the most likely
action to follow.
Furnace head
Is shown in the recommendation
close
area and indicates the most likely
action to follow.
Press START
Is shown in the recommendation
area and indicates the most likely
action to follow.
Press STOP
Is shown in the recommendation
area and indicates a possible
action.
Press ENTER
Is shown in the recommendation
area and indicates a possible
action.
Press ESC
Is shown in the recommendation
area and indicates a possible
action.
Using
Is shown in the recommendation
cursor keys
area and indicates a possible
action.
Using – / +
Is shown in the recommendation
keys
area and indicates a possible
action.
General
Indicates in the parameter list
write protection that the general write protection
has been activated by means of
the user code.
Individual
Indicates in the parameter list that
write protection the individual write protection
activated
has been activated for this program
Individual
Indicates in the parameter list
write protection that this program is not
not activated
write-protected