English
12
TR 100
9
Elimination of malfunctions
Malfunction
Cause
Elimination
the set room temperature
is not reached
thermostat valve(s) are
installed in the room where
the regulator is mounted
have the thermostat valve
replaced by a hand valve or
completely open the thermo-
stat valve(s)
the flow temperature of the
heating unit is set too low
set the flow temperature to a
higher value
the pre-set room tempera-
ture is exceeded
the mounting location of the
regulator is inappropriate,
e.g. outside wall, close to a
window, draught,...
select a more appropriate
mounting location (see chap-
ter mounting) or use an exter-
nal temperature sensor
(accessory)
too high variation in room
temperature
temporary influence of
external heating sources on
the regulator e.g. by insola-
tion, room lighting, TV, fire-
place, etc.
select a more appropriate
mounting location (see chap-
ter mounting) or use an exter-
nal temperature sensor
(accessory)
rise in temperature
instead of reduction
the time of day is set incor-
rectly at the time switch
check the setting
too high room tempera-
ture in economic operat-
ing mode
high regenerative capacity
of the building
select an earlier starting time
for economic operating mode
wrong or no regulation
wrong wiring of the regulator
check the wiring according to
the circuit diagram and correct
if necessary
no display or the colon is
not indicating
very short power failure
switch off and on the heating
unit main switch
