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Check list in case of faults
Fault
Check/Cause
Solution
See page
Oil burner
- Is electrical power available
- check out fuses/circuit breakers. Switch on the main
is not
emergency switch or plug in to the power supply
working
-
is the fault lamp lit?
- press the fault reset button
- notify the oil-burner service
16
- check the oil level
- top up with oil
46
- is the burner plug plugged in?
- plug in
- has the temperature limiter
- Notify your Customer Service Centre.
been triggered?
Radiators do
- are the slides in the heating feed
- open them
not heat up
and return open?
- is the ON/OFF switch at
- switch over
15
position “0”?
- are the switching times set?
- see page
23
- check water level and pressure
- top up the heating system and vent out the air
47
- are the radiator valves open?
- open them
- the heater circulating pump is not working
- unlock the locking screw;
powerfully turn the end of the shaft with a
screwdriver until resistance subsides
- mixer valve does not open automatically
- switch the mixer valve over to manual operation ;
and open by hand; call Customer Services
No
- the charging pump is not working
- unlock the locking screw;
hot water
powerfully turn the end of the shaft with a
screwdriver until resistance subsides
- is there air in the charging circuit?
- if necessary, vent air from the circuit by hand
- operate the automatic air-ventilator by hand
- has the temperature limiter
- undo the locking nut and unlock
been triggered?
by pressing the button
Please note!
If you are unable to correct the fault, please
call either the installation engineer or the Hoval
Customer Services.
In case of faults in operation, please carry out
checks in accordance with the above check-
list.
Please also observe the settings of the boiler
control elements shown on the corresponding
pages.
9.
Check list in case of faults