ECO GOLD
25/08/2011/ YACE0088
Maintenance
51
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 Constant Temperature Equip-
ment (
Ì
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 temperature
Burns, scalds, fire
•
Set
T
max
in each case according to the heat transfer
liquid used (at least 25 K below fire 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 (
Ì
7.4.1). Recommended setting: 5 K above
the desired maximum bath temperature (Remark: The overtemperature switch-off point T
max
is con-
trolled by a system which operates independently of the bath control.
Set the overtemperature switch-off point T
max
to a maximum of 25 K below the fire point of the heat
transfer liquid being used (Example: T
max
Kryo 51 = 135 °C).
−
The set overtemperature switch-off point is shown on
pressing T
max
in the display.
3
25%
0%
27.10.2009
10:58
Tmax
200
°C
26.
45
- - -
סּ
Tmax
- - -
Tint
