Proline Kryomats
80
Starting up
YAUE0007 / 2/26/2009
¾¾
−
The SelfCheck Assistant monitors the VarioFlex pump:
1. Alarm sounds as dual-tone signal when the pump runs without
liquid. This can only occur when the float level measurement has
failed.
2. The display of
OsKDT
signals that the SelfCheck Assistant
has detected a pump low level.
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.
)
−
The cause of the failure of the level measurement with the floatation sensor must be
found and rectified. Perhaps foreign bodies in the bath block it.
−
Press the Enter key.
−
Also press this key if the unit has been switched off in the fault
state.
Command
−
Alarm! Low level (pump)
−
Alarm! Low level (pump) is shown in the display and signifies
that unlocking is only possible on the Master control panel.
7.12.7 Compressor Overtemp
Command
Error! Comp1 overtemp
−
Error! Comp1 overtemp is shown in the display. The cause may
be a technical malfunction or an extremly situation in temperature
control. Switch off the unit and wait min. 15 minutes to restart it
again so that the compressor has time enough to cool down again.
−
This error may affect stage 1 (Error 68) or stage 2 (Error 69).
If the error is always present after switching on the device, please
give information to the LAUDA Service for Constant Temperature
Equipment (
Ö
7.12.8 Three-phase current
Command
Error! Three-phase current
−
Error! Three-phase current is shown in the display, signed by
number 70. The cause is the wrong direction of the current rotation
field. It has to be clockwise!
−
Another reason may be the missing of one phase of the voltage
supply.
Pump alarm
OsKDT
°C