18
"
""
"
−
When the bath temperature arises above the
overtemperature switch-off point.
1. Double signal tone sounds
2. The display shows the indication for overtemperature
ttt
the
fault triangle is flashing
!
heating is switched off on both poles,
!
pump and refrigeration system are switched off by the
electronics.
−
Rectify the cause of the fault.
−
Wait until the bath temperature has cooled down below the
switch-off point or set the switch-off point at a value higher
than the bath temperature. then the display shows
ttt
−
Reset with the key
☞
−
− −
−
Before the unit is running unattended for longer periods
overtemperature protection
should be tested.
Therefore
−
Turn the potentiometer slowly anticlockwise.
!
The unit
must switch off at the bath temperature.
−
Step 1 - 2 (see above) must follow.
−
Set the overtemperature switch-off point again above the
bath temperature and wait until the indication
ttt
appears on
the display, then
−
reset with the key.