Appendix
0020290841_00 aroSTOR Operating instructions
17
Fault
Cause
Solution
The condensate does not
drain off (water under-
neath the product).
The condensate discharge hose is
partly or completely blocked
Check the condensate
discharge hose.
There is a kink in the condensate
discharge hose and this is forming a
trough.
The condensate discharge hose is not
installed.
Consult your competent
person.
The electric back-up
heater is not working.
The ESC contact or a programmed
operating time is preventing operation
(ECO symbol is lit up).
Check the time program-
ming and consult your
competent person.
The safety cut-out for the electric back-
up heater has been tripped as a result
of overheating (> 87 °C).
Consult your competent
person.
Other faults
Consult your competent
person.
B Optimising energy consumption
B.1 Using a low tariff and a control cable connection
Settings made by the end user
Setting/function
Particularly econom-
ical
Average
For increased com-
fort
Target temperature
45 °C
55 °C
65 °C
Time programming
None
None
None
Holiday mode
For absences of
more than 24 hours
For absences of
more than 3 days
For absences of
over a week
Boost mode
Never
Occasionally
Often
Settings made by the competent person
Setting/function
Particularly econom-
ical
Average
Particularly expens-
ive
Anti-legionella cycle
No
7 (weekly)
1 (daily
–
not re-
quired)
Minimum temperature
No
43 °C
43 °C
MAX. TIME
function
No
Auto
4 hours
Load relief level for high-
tariff periods (HT)
0 (Operation of the
immersion heater
and the heat pump
prevented during
high-tariff periods)
1 (Operation of the
immersion heater
prevented during
high-tariff periods)
2 (Deactivation of
the load relief cir-
cuit)
*) Exception: The air temperature lies outside the range between -7 °C and +35 °C. In this case,
operation of the back-up heater is permitted.
