Proline Kryomats
YAUE0007 / 2/26/2009
Starting up
79
−
In case the alarm function as described in 7.12.3 was chosen:
−
The acoustic signal with dual-tone sounds.
−
The red LED
above the fault triangle
flashes.
Æ
Heater switches off on both poles,
Æ
Pump and refrigerating unit are switched off electronically.
−
Find the cause of the fault. Possible causes may be:
1. Volume expansion on heating.
2. Feed to an external vessel may be interrupted so that only
return suction is possible.
3. Heat transfer liquid taking up moisture.
−
If Alarm: Press Enter key. Warnings disappear automatically when
the cause is gone.
−
Also, press this key if the unit has been switched off in the fault
state. Warnings disappear automatically when the cause is gone.
Command
−
High-level warning/alarm
−
The display shows
Warning. To release press Enter key
Security 3 Level too high
or
Alarm AL 6: Level too high is shown in the display and
signifies that unlocking is only possible on the Master control panel.
7.12.5 Pump-motor supervision: Overload or blockage
¾¾
−
The SelfCheck Assistant monitors the VarioFlex Pump:
1. Alarm sounds as dual-tone signal for pump-motor overload or
blockage.
2. Display
of
aK/B
signals blockage.
3. The red LED
above the fault triangle
flashes.
Æ
Heater switches off on both poles,
Æ
Pump and refrigerating unit are switched off electronically.
−
Find the cause of the fault. Perhaps the viscosity of the heat
transfer liquid is too high or the pump is blocked.
−
Press the Enter key.
−
Also press this key if the unit has been switched off in the fault
state.
Command
−
Pump-motor alarm!
−
Pump-motor alarm is shown in the display and signifies that
unlocking is only possible on the Master control panel.
7.12.6 Pump-motor supervision: Dry running
Pump alarm
aK/B
°C
Level alarm
@K 5
°C