Lauda Viscotemp 15 G, Operation Manual

Page: 53 / 132

09/2021
ECO Gold 53 / 134
8 Maintenance
8.1 Alarms, warnings and errors
Alarms: Alarms are relevant to safety. Pump, heating and chiller switch off.
Warnings:
Warnings are normally not relevant to safety. The device continues to run.
Errors: If a malfunction occurs, switch off the unit at the mains switch. If the malfunction recurs after
switching on the device, contact LAUDA Service (

8.7) or your local service organization.
All alarms, warnings or error messages triggered on the ECO thermostat are shown in the display as text. The list with
alarms and warnings can be found in the appendix.
Once the cause has been rectified, you can clear alarms and warnings with .
Warnings can be ignored with without the message periodically appearing again.
8.1.1 Overtemperature protection: Alarm and checking
Warning!
Overheating due to entering an incorrect T
max
and set-point tempera-
ture
Burns, scalds, fire

Set T
max
in each case according to the heat transfer liquid
used. T
max
must be below the flash point.
Note: The devices are rated for operation with flammable and non-flammable liquids according to DIN EN 61010-1
and DIN EN 61010-2-010.
Set the overtemperature switch-off point as described in (

7.4.1). Recommended setting: 5 K above the desired
maximum bath temperature (Remark: The overtemperature switch-off point T
max
is controlled by a system which oper-
ates independently of the bath control.
Set the overtemperature switch-off point T
max
below the flash point of the heat transfer liquid.
-
The set overtemperature switch-off point is shown on press-
ing T
max
in the display.