Alarms, Warnings And Errors; Overtemperature Protection And Checking - Lauda PROLINE Kryomats RP 4050 C Operation Manual

7.12 Alarms, Warnings and Errors

The SelfCheck Assistant of your Proline Kryomat 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, also, 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.
Errors: If an error occurs, the pump, heater and refrigerating unit switch off automatically.
Switch of the unit at the rotary mains switch. If the error is always present after switching on the device,
please give information to the LAUDA Service ( 9.5).
Find cause of alarm or warning and rectify where necessary. Then press
remove the alarm message. Warning messages can be removed either on the Master keyboard with
Command board with
Warnings may be ignored by pressing
Command remote control. Warnings will not be repeated periodically.

7.12.1 Overtemperature protection and checking

Warning!

The units are designed for operation with non-flammable and flammable liquids to
DIN EN 61010-2-010.
88 / 137
.
or on the Master keyboard or by activating the Screen Softkey on the
Risk of heat transfer liquid overheating due to incorrect entry of
overtemperature switch-off point T
The overtemperature switch-off point must be below the

flash point of the heat transfer liquid.
Set the overtemperature switch-off point (T
above the upper limit of the temperature range for your
application.
Proline Kryomats
on the Master keyboard in order to
.
max
Fire
) to 5 K
max
or on the
03/2022