7 181 465 347 (01.07)
Rectifying faults
17
4.4
Faults indicated on display
A 1
flashing.
Controlled-characteristic pump has run dry
Check
Action
1.
System pressure below 1.2 bar?
yes:
B
Power OFF the appliance.
B
Check appliance and system for water leaks and
repair as necessary.
B
Top up system.
B
Turn ON the appliance.
A1?
↓
no:
↓
2.
Activate venting sequence.
B
Activate menu option
Show service parameters
.
B
Select
7.3 Aeration mode
select setting
On,
autom. deactivat.
and confirm.
B
Vent appliance
1)
.
B
Vent radiators.
↓
1)
See installation instructions
3.
Audible bearing damage on pump?
yes:
B
Power OFF the appliance.
B
Drain appliance.
B
Replace pump.
B
Top up system.
B
Turn ON the appliance.
Summary of Contents for GREENSTAR HE combi Series
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