When a fault is pending, an error
message can be displayed on the info
level by pressing the Info button. The
display describes the cause of the fault.
SW Diagnostic code
An internal software error currently pending in the system is displayed here with
diagnostic code indicating where the error occurred.
Time before alarm HC2
Time to flow temperature alarm for heating circuit 2.
Fault history
The basic unit stores the last 5 errors
in nonvolatile memory. Every new
entry cancels the entry made last. For
every error entry, error code, time and
internal SW diagnostic code are
stored.
Maintenance functions
Maintenance messages are
automatically generated messages for
signalling necessary maintenance.
Message
Here the maintenance code is
displayed.
Display messages
This sets whether messages are
displayed at all.
Acknowledgement message
To acknowledge the message, click
Yes; the message is no longer
displayed.
Burner hours interval / Burner start
interval/ Maintenance interval
As soon as the set number of burner
hours or burner starts or maintenance
interval has elapsed, a maintenance
message is displayed.
For this message, the number of
operating hours and starts of the first
burner stage (input E1) are counted.
Burn hrs since maintenance
Burn starts since maint
Time since maintenance
The current value is added up and
displayed. On this operating line, the
value can be reset to 0.
