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Proline Kryomats
Step 1 – 2 (see above) must follow.
Set the overtemperature cut-off higher than the bath temperature again and wait
until
tEMNP
appears in the display.
Unlock with the
key.
Unlocking is not possible on the Command control elemant!
Command
Overtemperature alarm!
Overtemperature alarm! is shown in the display and signifies that unlocking
is only possible on the Master control panel.
7.12.2
Low-level alarm and low-level checking
If the liquid level falls so far that the heating element is no longer completely
covered with liquid, an alarm is initiated:
1.
The alarm sounds as a dual-tone signal.
2.
Display for
LEUEL
(low level) is shown when the bath contains too
little liquid.
3.
The red LED
above the fault triangle
flashes.
Heater switches off on both poles,
Varioflex pump and refrigerating unit are switched off.
Find the cause of the fault and, where necessary, top up for missing liquid (
Press the Enter key.
Also, press this key if the unit has been switched off in the fault state.
Checking the safety system at regular intervals by lowering the bath level. To do this, fit a hose
to the drain point and slowly run off the heat transfer liquid into a suitable container via the
drain-point tap at the front.
Step 1 – 2 must follow.
With this test, the bath temperature must not be below 0 °C or above 50 °C, otherwise there is
a risk of injury!
If irregularities arise during the checking of the safety devices, switch off the unit immediately
and pull out the mains plug.
Have the equipment checked by LAUDA Service.
Command
Low-level alarm!
Low-level alarm! is shown in the display and signifies that unlocking is only
possible on the Master control panel.
Level alarm
LEUEL
°C
