Technical data

7 181 465 346 GB (03.02)
50
Failure identification procedure
Set room temperature exceeded by large amount
Check Action
1. Do radiators get too hot? yes: TR 2:
B Decrease setting of “Heating” control
TA 211 E:
B Correct heating characteristic.
2.
no: 2.
2. Bad choice of location for program-
mer, e.g. outside wall, near window,
in draught, on hollow wall, etc.
yes: B Select better installation location.
-or-
B Fit external room thermostat.
3.
no: 3.
3. B Turn down thermostatic valve(s).
Excessive fluctuations in room temperature (TA 211 E)
Check Action
1. Periodic effect of external heat on
room, e.g. from sunshine, lighting, TV,
separate stove, fire, etc.
yes: B Eliminate external heat sources if possible.
2.
no: 2.
2. Bad choice of location for program-
mer, e.g. outside wall, near window,
in draught, on hollow wall, etc.
B Select better installation location.
-or-
B Fit external room thermostat.
Room temperature too high in Economy mode
Check Action
Building retains heat well yes: B Set economy temperature lower .
or
B Set to Frost Protection instead of Economy.
or
B Set start time for Frost protection/Economy
earlier.