Low-Level Alarm And Low-Level Checking - Lauda PROLINE P 5 C Operating Instructions Manual

7.14.2 Low-level alarm and low-level checking



Level alarm
LEUEL

Command
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If the liquid level falls so far that the heating element is no longer completely cov-
ered with liquid, an alarm is initiated:
1. The alarm sounds as a dual-tone signal.
2. Display for
liquid.
°C
3. Red LED
 Heater switches off on both poles,
 Varioflex pump is switched off.
 Find the cause of the fault and, where necessary, top up for missing heat
transfer liquid ( 6.3 und 6.4).
 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, push hose
onto pump connector and pump heat transfer liquid into a suitable vessel.
 Step 1 – 2 must follow.
 With this test the bath temperature must not be below 0 °C or above max. 50 °C, otherwise
there is a risk of burning!
 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.
Low-level alarm!
Low-level alarm is shown in the display and signifies that unlocking is only possible on the

Master control panel.
Proline heating thermostat
LEUEL
(low level) is shown when the bath contains too little
above the fault triangle flashes.
02/2022