Weinmann BiLevel ST 22, Operating Instructions Manual

Page: 37 / 56

Troubleshooting
37
If there are defects that cannot be rectified at once, please contact Weinmann or
your dealer immediately to have the unit repaired. To avoid greater damage, do not
use the unit.
Unit failure!
Excess
temperature
Medium priority
Overheating of the
unit due to direct
sunlight
Let the unit cool down and
find a more suitable place
to locate it.
Medium priority
The unit was
operating outside
the permitted
temperature range
Display
vanished
Acoustic signal for
at least 120
seconds, no
display visible.
Medium priority
No mains voltage
available
Check that power supply
and power supply cables
are securely connected.
Check outlet is working by
connecting another piece of
equipment (e.g. a lamp)
The battery
VENTI
power is
discharged.
Remove the VENTI power
from the BiLevel ST 22 and
recharge. Continue
operating BiLevel ST 22
using a mains socket.
Unit failure!
Code .....
Medium priority
Problems with
electronics or running
the program. Disconnect power and
reconnect. Turn the unit on
again
Water droplets in
the pressure
measurement hose Dry the pressure
measurement hose as
described in 5.2
Sealing plugs still on
pressure
measurement hose
after hygienic
preparation. Remove both sealing plugs.
Disconnect power and
reconnect. Turn the unit on
again without the hose
system.
Display Alarm Cause Rectification