Integral XT
YAWE0028 / 24/06/2016
Starting up
105
7.16 Alarms, Warnings and Errors
The SelfCheck Assistant of your Integral XT Thermostat monitors more than 50 device parameters and
triggers alarms, warnings or errors as appropriate.
All warnings, alarms and errors are shown on the Command remote control in plain text. Errors are
shown in plain text on the Command remote control in an error list.
Alarms
:
Alarms are safety relevant. Pump, heater and refrigerating unit will be shut off.
Warnings
:
Warnings normally are not safety relevant. The device continues to operate.
Error
:
If a fault occurs,
the pump, heater and cooling unit switch off automatically. Switch off
the device at the mains switch. If the fault recurs after switching on the device, please
contact the LAUDA Service Constant Temperature Equipment (
þ
Find cause of alarm or warning and rectify where necessary. Then press
on the Master keyboard in
order to remove the alarm message. Warning messages can be removed either on the Master keyboard
with
or on the Command board with
.
Warnings may be ignored by pressing
or
on the Master keyboard or by activating the Screen
Softkey on the Command remote control. Otherwise warnings will be repeated periodically.
7.16.1 Overtemperature protection and checking
+
The units are designed for operation with non-flammable and flammable liquids to
DIN EN 61010-2-010.
Setting the overtemperature cut-off: Recommended setting: 5°C above
desired bath temperature.
Caution!!
The overheat switch-off point T
max
is controlled by a system
functioning independently of the bath control. Setting of the nominal
temperature, however, can be limited via the functions T
ih
and T
il
(
þ
7.10.2) independently of T
max
.
−
The cut-off point is displayed in the LED display on pressing the
key
.
Changing the overtemperature cut-off point:
−
For safety, to guard against unintentional adjustment, the key
must be held pressed during all the following entries. Now, briefly
press
. The display flashes and the overtemperature cut-off can
be set with the keys
or
.
−
Quit the change mode by pressing
for a few seconds or auto-
matically after 5 seconds, while you keep
pressed.
−
This somewhat complicated procedure is intended to prevent unin-
tentional adjustment.
Overtemp. cut-off
90
°C
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