Diagnosis
7
RC35 programming unit - Technical specifications are subject to change without prior notice.
42
7.3 Error message
Use the Error message menu to view the most recent faults in the fault memory, in order
to investigate a fault, for example.
The faults are divided into the following categories:
– Current errors are all unresolved faults currently present in the system. These can be
one of the following types: locking, blocking or plant error.
– Locking type error
1
: When the fault is remedied, the heating system needs to be
unlocked manually. To do so, press the Reset button on the boiler.
– Blocking type error
1
: With blocking faults, the heating system resumes operation
automatically as soon as the fault has been rectified.
– Plant errors in the heating system are logged in the RC35, with the exception of faults
in the boiler or the burner, which are either "locking type errors" or "blocking type
errors". The heating system keeps operating as much as possible during the fault; a
reset is not required.
7.4 Htg. charact. curve
Use the Htg. charact. curve menu to view the heating characteristics of each heating
circuit in the form of a graph.
7.5 Versions
You can use the Versions menu to view the software versions for heating system com-
ponents.
z If the information cannot be displayed in one screen: turn the rotary selector to display
the next screen.
1) Not possible with boilers with UBA1.x and DBA.
For a list of the locking and blocking faults, which vary depending on the boiler,
see the installation and maintenance instructions for the boiler.
z Turn the rotary selector to show the next message.
z If the system has more than one heating circuit: turn the
rotary selector to view the heating characteristic curve
for the next heating circuit.
90
DIAG.\CHAR. CURVE HC2
21
targ. flow tmp. 57°C
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