4
For contractors
Base controller BC10 - Subject to technical modifications.
13
4.6
Fault diagnosis
The BC10 base controller display indicates the status of
the heating system.
In case of errors, the status display immediately indicates
the relevant fault or warning. If an error occurs, contact
your heating contractor and advise them of the service
and fault codes.
The warnings and errors depend on the boiler used.
For further information on the codes please refer to the
description of the boiler concerned. Locking errors cause
the status display to flash.
B
To change between the status displays, press
e
again.
Fig. 16 Status display
Subject to operating state, the following status displays can be displayed:
Display (examples)
Value range
Explanation
Operating state/remedy
60
1)
Figure 0 ... 100 Current boiler water temperature
Standard operating state
P1.5
> P1.0
Current operating pressure
2)
HAH
Service interval according to hours run
or date has been enabled.
– H
Operating message:
current EMS state
P0.8
/
(alternately)
P0.2 ... P1.0
Warning
Operating pressure too low
(between 0.2 and 1.0 bar)
Warning
B
Top up the heating system.
If the operating pressure is greater than
1.0 bar, the display changes to the
standard display for standard operation
after 10 minutes.
– H
Operating message:
current EMS state
60
Figure 0 ... 100 Current boiler water temperature
P0.8
P0.2 ... P1.0
Current operating pressure
(only with a digital pressure sensor)
P0.1
(flashing)
< P0.2
Error
Operating pressure much too low
(< 0.2 bar).
Error
Operating pressure much too low. Burner
and boiler pump are off. Frost protection
enabled down to 0.1 bar.
B
Top up the heating system.
If the operating pressure is greater than
1.0 bar, the display changes to the
standard display for standard operation
after 10 minutes.
B
Clear the error with “Reset.”
207
Figure > 200
Fault code
60
Figure 0 ...100
Current boiler water temperature
P0.1
< P0.2
Current operating pressure
Tab. 5
Possible status displays
