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Fault
Inspect / Cause
Fix
See page
Gas boiler
- Is power available
- Check fuses.
does not start
- Check the power plug
- Press On/Off button
(LED lights up)
- Is the gas valve open
- Open it
- Is the service display blinking
- Press the reset button
- Contact customer service
- Is there too little gas
- Open gas valve
(service display shows
- Contact gas provider
blinking 4 or 5)
Radiators
- Are the valves of the heater flow
- Open the flow and return valves
do not
and return open
get warm
- Is the On/Off button in the Off
- Switch unit on
9
position (LEDs are dark)
- Press On/Off button
(LED lights up)
- Is the timer clock of the TopTronic
®
T
- Check according to the
set correctly
operating manual for the heater control
- Check water level and water pressure
- Top off the heating system and bleed off air 15
- Are the radiator valve open
- Open the valves
- The heater circulation
- Open the latch screw
pump is not running
- Turn the shaft end hard with a screwdriver
until the resistance goes away
No warm
- Heat exchanger with lime deposits
- Contact customer service
water
- Flow monitor not working
- Contact customer service
7. Check list in case of faults
Please note!
In case of faults in operation,
please carry out checks in ac-
cordance with the above check-
list.
If you are unable to correct
the fault, please call either the
installation engineer or the
Hoval Customer Services.
i
7. Check list in case of faults