Intended Use; Troubleshooting And Maintenance - eQ-3 CC-RT-B-CyK-W Bedienungsanleitung

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.

16. Troubleshooting and maintenance

Error code on
display
Battery symbol
( )
F1
F2
F3
At 12:00 every Saturday, the actuator performs a
weekly descaling function to prevent valve calcifica-
tion. "CAL" will appear on the display.

15. Intended use

Problem
Battery power
too low
Valve actuator
sluggish
Adjusting range
too large
Adjusting range
too small
Remedy
Replace batteries
Check installation,
inspect heating
valve
Check
actuator
fastening
Check heating
valve
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