Operation Manual

30
14. Intended use
The energy-saving controller has been designed for the
purpose of controlling a standard heating appliance valve.
The device may only be operated indoors and must be
protected from the effects of damp and dust, as well as
solar radiation and sources of radiant heat.
Using the device for a purpose or in a manner other than
that described in this operating manual constitutes a
breach of the “intended use” and shall invalidate the war-
ranty and any liability claims. The same shall apply in the
event of any conversion or modification work. The devices
are intended exclusively for domestic use.
15. Troubleshooting and maintenance
Error code on
display
Problem Remedy
Battery symbol
(
)
Battery power
too low
Replace batteries
F1
Valve actuator
sluggish
Check installation,
inspect heating
valve
F2
Adjusting range
too large
Check
actuator
fastening
F3
Adjusting range
too small
Check heating
valve
At 12:00 every Saturday, the actuator performs a
weekly descaling function to prevent valve calcifica-
tion.