Fault
Displays
1
ALARM
1
Fault
15:
Bath temperature
<
L-Limit
If the low temperature limit (L-Limit) is changed so that
is above the actual temperature, fault
15
occurs.
In the
HIGHiLOW
menu select a low temperature
limit that is below the actual temperature.
*
ALARM
is still visible on the display.
3
The reset key must be pressed in order to start up
the unit again.
ALARM
disappears on the display
and the unit can be operated again.
Fault
1
6:
Heating defective
(internaliexternal control)
24.1
O'C
43.20°C
During the identification, to determine new control
parameters the Fuzzy control measures the time nec-
---
------
essary for a temperature step of
I
"C
at the control sen-
sor.
If this takes longer than
300
s (internal control) or
720
s
(external control), respectively, Fuzzy control assumes
a fault in the heating system, so that fault
16
occurs.
+
Return unit for servicing.
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