Fault Messages; The Last 10 Fault Messages; Password; User-Defined Password - Honeywell BCU 370 Technical Information

Parameters

4 .9 Fault messages

4 .9 .1 The last 10 fault messages

Parameters 81 – 90
The BCU shows the last 10 fault messages.
In order to analyze a burner system, the last fault mes-
sages can be called up in the order in which they oc-
curred. Extended diagnostics is possible using the
BCSoft software.
The BCU records the last 10 fault messages internally.
Parameter 81 shows the most recent fault message,
parameter 82 the one before and so on.

4 .10 Password

4 .10 .1 User-defined password

Parameter 30
Password saved to protect parameter settings.
To prevent unauthorized changes to parameter settings,
a password is stored in parameter 30. The parameter
settings can be modified after the password (4 num-
bers) has been entered. The password can be changed
using BCSoft. Note the effect of parameter settings on
the safe functioning of your system.
The password set at the factory can be found in the de-
livery note supplied.
BCU 370 · Edition 01.19 64