C
43.20°C
15.8
Fault eliminated?
24.1
0°C
ALARM ELIMINATED
"ALARM
ELIMINATED" and "UNLOCK" appear alter-
nately on the display.
I
ALARM
I
-
T-TSET -5OC:FOl
u
20.00"C
ALARM
-.
IDENT-ERROR: F04
u
1
ALARM
1
-.
IDENT-ERROR: F05
L
.==.
The reset key must be pressed in order to start
up
the unit again.
Message
PR1
(and
PR2):
Depending on the unit type it can last
up
to one hour
until the unit is ready to restart.
15.9
Fault displays of the Fuzzy control
Fault
1
:
Fault during identification
If at the beginning of the identification the set tempera-
ture is changed by the user so that the temperature
difference between the actual temperature and the
new set temperature is smaller then
5"C,
fault
1
occurs.
Switch off and on unit.
or
RESET actuate in the SETUP-2 menu.
If you should set the desired temperature via the
I/O card, please
see
chapter
23.7.
Fault
4
and
Fault
5:
Fault during identification
During the identification, to determine ideal control
parameters the Fuzzy control repeatedly measures
temperature gradients, delay times etc.
The identification result, which
is
made up
of
a great
number of measurements,
is
continually checked for
plausibility.
In
case of discrepancy en error message
appears.
In order to remove the fault two different modes have
to be distinguished:
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