8.3 Low level alarm
n An alarm signal sounds if the liquid level falls below the minimum level.
n Low Level
appears in the display. The components of the device, e.g. the
pump, are switched o via the electronics system.
Personnel:
n
Operating personnel
1. Top up the missing heat transfer liquid.
2. Unlock the display with the Enter button.
The device restarts.
8.4 Overtemperature alarm
If the temperature exceeds 90 °C, 3 overtemperature alarm is triggered and
a two-tone acoustic signal sounds.
The heaters, cooling system and pump are switched o as a result of this
alarm.
1. Switch o the device.
2. Allow the device to cool down (> 20 minutes).
3. Switch on the device.
4. Press the OK key to acknowledge the alarm.
Fig. 68: Low Level Alarm
Rectifying a fault
Fig. 69: Overtemperature alarm
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