7 181 465 347 (01.07)
Rectifying faults
41
4.5.2
Programmer faults
Set room temperature not reached (TR 2)
Check
Action
1.
Thermostatic valve(s) set too low?
yes:
B
Turn up thermostatic valve(s).
↓
2.
no:
↓
2.
2.
CH flow temperature control on
boiler set too low?
yes:
B
Turn up CH flow temperature control.
no:
↓
3.
3.
Air in the heating system.
B
Power OFF the appliance.
B
Check appliance and system for water leaks and
repair as necessary.
B
Top up system.
B
Activate menu option
Show service parame-
ters
.
B
Select
7.3 Aeration mode
, select setting
On,
autom. deactivat.
and confirm.
B
Vent appliance
1)
.
B
Vent radiators.
B
Turn ON the appliance.
1)
See installation instructions
Summary of Contents for ICC2 combi ZWBR 11-37 ICC2
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