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Please note!
In the case of operating faults please
carry out the checks according to the list
above.
If you are unable to rectify the
fault, please call the heating
installer or the Hoval after-sales
service.
Checklist in the case of faults
Fault
Check/Cause
Rectification
See page
Gas boiler
-
Is current present
-
Check fuses, switch on main or where applicable,
does not start
emergency switch
-
Is the gas cock open
-
Open
-
Is a number flashing on the basic control
-
Press reset button
-
Notify after-sales service
-
Is gas present
-
Enquire at your gas supplier
Radiators
-
Are the gate valves in the heating feed
-
Open
are not hot
and return open
-
Is the main switch in the
-
Changeover
6
”OFF” position
-
Is the clock of the TopTronic
-
Carry out check according to the separate operating
correctly set
instructions for the heating controller
-
Check the water level, respectively pressure
-
Refill and bleed the system
4
-
Are the radiator valves open
-
Open
-
The heating circulation pump is not running
-
Remove sealing screw
Turn end of shaft vigorously with a screwdriver
until resistance ceases.
-
The mixer does not open automatically
-
Open manually, call service
No
-
The filling pump is not running
-
Remove sealing screw
hot water
Turn end of shaft vigorously with a screwdriver
until resistance ceases.
-
Is there air in the filling pipeline
-
Bleed manually where applicable
-
Actuate automatic bleeding by hand
-
Has the temperature limiter been activated
-
Unscrew nut and unlock by pressing the knob.
