7 181 465 347 (01.07)
Rectifying faults
43
Set room temperature exceeded by large amount
Check
Action
1.
Do radiators get too hot?
yes:
TR 2:
B
Decrease setting of “Heating” control
↓
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
1)
.
↓
3.
no:
↓
3.
3.
B
Turn down thermostatic valve(s).n
1)
See installation instructions
Temperature rises instead of falling
Check
Action
Timer clock (DT 2) incorrectly set
B
Check setting and correct as necessary.
Room temperature too high in Economy mode
Check
Action
Building retains heat well
yes:
B
Set economy temperature lower.
-or-
B
Set earlier start time for Economy mode.
Incorrect or no modulation
Check
Action
Programmer incorrectly wired
B
Check wiring against wiring diagram and correct
as necessary.
Summary of Contents for ICC2 combi ZWBR 11-37 ICC2
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