Technical data

Troubleshooting
70 Installation and maintenance instructions ecoTEC plus 0020116700_06
13
Code Meaning Cause
F.93 Gas group fault Combustion quality outside the permitted range: Wrong gas restrictor,
recirculation, wrong gas group, internal pressure measuring point in ven-
turi blocked (do not use lubricant on O-ring in venturi.). Gas family check
prematurely terminated.
Commu-
nication
fault
No communication with the PCB Communication fault between display and PCB in the electronics box
13.2 Fault codes (continued)
13.3 Using the function menu
In order to remedy boiler problems, you can use the func-
tion menu, which allows you to actuate and test individual
components of the heating installation (¬section12.3).
13.4 Running test programs
By activating various test programs, you can trigger special
functions on the boiler
(¬table.10.1). The display shows which test program you
have chosen.
> Read how to start the test programs in ¬section 10.4.
13.5 Resetting parameters to factory settings
As well as the option to manually reset individual parame-
ters to the factory settings specified in ¬table11.1
, you can
also reset all parameters at once.
> Set the value of the diagnosis code parameter D.096 to
"1" (¬section11.1).
You have now reset all parameters to factory settings.