ASTOTHERM PLUS Instructions for Use
11 Brief overview of operating states and alarms
36
11 Brief overview of operating states and alarms
Operating
state
Dis
pl
a
y
“Sta
nd
b
y
“
LED
“Ala
rm“
L
ED
“Sta
rt“
L
ED
“O
n“
L
ED
Aco
us
tic
a
la
rm
s
ig
na
l
Possible
reason(s)
blue
yellow
green
green
Standby Mode
OFF
-
On Mode
---
T
Act
≤ 15°C
or
T
Act
≥ 50°C
T
Act
-
Heating Mode
---
T
Act
≤ 15°C
T
Act
-
T
Act
„Start” button has
been pressed too
short. Otherwise
device defect.
T
act
= Actual Temperature (current temperature of heat exchanger)
T
set
= Setpoint Temperature (selected temperature, marked by a frame)
=
LED is off
=
LED
lights
=
LED flashes
8
1
11
5
3
