Lauda Proline RP 845 C, Operating Instructions Manual

Page: 80 / 120

Proline Edition X cooling thermostats
80
Starting up
YACE0100 / October 4, 2018
7.14 Alarms, Warnings and Errors
The SelfCheck Assistant of your Proline Thermostat monitors more than 50 device parameters and
triggers alarms, warnings or errors as appropriate.
All warnings and alarms 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 thermostat continues to operate.
Errors : When an error occurs switch of the device. If the error is always present after switching on
the device, please inform the LAUDA Service Constant Temperature Equipment (

9.4).
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 remote control 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.
7.14.1 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
(

7.8.3) 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, and 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 .
Overtemp. cut-off
90
°C