Fault Messages - Baxi Power HT 1.850 Installation, Operation And Maintenance Manual

Parameter
Line no.
HC1 gradient
70
Selection of central heating circuit temperature curve "kt"
HC1 max. output
72
Central heating system maximum output temperature
Type of building
74
Room compensation
75
Activation/deactivation of the influence of the room temperature. If it is
deactivated, the outdoor temperature sensor must be installed.
Automatic adaptation of the temperature curve "kt" in relation to the room
77
temperature.
Opt Start Max
78
Maximum time the boiler is switched on ahead of the timed program to optimise
the temperature in the premises.
Opt Stop Max
79
Maximum time the boiler is switched off ahead of the timed program to optimise
the temperature in the premises.
HC2 gradient
80
DHW Red Setp
90
Minimum temperature of the domestic domestic hot water
DHW program
91
Selection of the type of timed program for domestic hot water.
24 h/day = always on
PROG HC-1h
PROG HC
PROG ACS

- fault messages

In the event of fault, the display panel on the QAA73 shows the flashing symbol . Press the information key
( ) to display the error code and a description of the fault (see table on paragraph 3.9).
= as HC1 central heating program less one hour
= as central heating program
= specific domestic hot water program
(see also program lines 30-36)
INSTRUCTIONS PERTAINING TO THE INSTALLER
Range
2.5...40
25...85
Light, Heavy
on HC1
on HC2
on HC1+HC2
nil
On - off
0...360 min
0...360 min
2.5...40
—.- = not active
10...58
24 h/day
TSP HC-1h
TSP HC
TSP DHW
93
IT
Default value
15
AT
85
Light
GB
On HC1
On
0
0
—.-
10
24 h/day