7 Operating states
ASTOTHERM PLUS Instructions for Use
21
7.3 Heating mode
Control Panel
Action
Press the “Start” button
at least for one second to switch
the warmer from
On Mode
to
Heating Mode
.
Device response
While the button is pressed, a self-test is performed.
During this test the safety cut offs are activated to verify
their safe function. The brief clicking of the relay can be
heard.
“Start” LED
turns on.
Acoustic alarm signal stops.
The heater is activated until the setpoint temperature
(indicated by the frame) is reached.
The display
shows the increasing current
temperature
of the heat exchanger (e.g. 39.4°C).
“Alarm” LED
lights until the setpoint temperature has
exceeded (during heating up) the tripping limit of the Low
Temperature Alarm (see
chapter 10.1 Low temperature
If the
“Start” button“
is not pressed long enough, the
self-test cannot be completed and the warmer will not
start. Then repeat the procedure and press the
“Start”
button
for at least one second.
After a short power failure (< 5 seconds), and after return
of the power supply, the warmer resumes operation again
to the setpoint temperature which was previously
selected.
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