Low-Level Alarm And Low-Level Checking - Lauda RP 3050 C Operating Instructions Manual

Proline Kryomats
Command
7.12.2

Low-level alarm and low-level checking



Level alarm
LEUEL

Command
YAUE0007 / 10/2/2018
 Slowly lower T
 Cut-off at the bath temperature should occur.
 Step 1 – 2 (see above) must follow.
 Set the overtemperature cut-off higher than the bath temperature again
and wait until
 Unlock with the
Unlocking is not possible on the Command control elemant!

Overtemperature alarm!

Overtemperature alarm! is shown in the display and signifies that
unlocking is only possible on the Master control panel.
 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
contains too little liquid.
°C
3. The red LED
 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 ( 6.2 and 6.3).
 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 for Constant Temperature
Equipment.

Low-level alarm!

Low-level alarm! is shown in the display and signifies that
unlocking is only possible on the Master control panel.
, as described above.
max
tEMNP
appears in the display.
key.
LEUEL
(low level) is shown when the bath
above the fault triangle
Starting up
flashes.
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