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Checklist in case of faults
7.
Checklist in case of faults
Fault
Inspection/cause
Remedy
See
Page
Gas boiler
does not start
- Is power supply present?
- Check fuses.
Turn on the main switch
- Is the gas cock open?
- Open
- Is mode display "E" flashing?
- Press Reset key
- Contact customer service
- Is too little gas available?
"P26" appears on the display screen
- Contact the gas works
- If the water pressure is too low
"P27" appears on the display screen
- Check the water level
16
Radiators do
not become
warm
- Are the slide valves in the heating flow
and return open?
- Open
- Is the main switch set to "OFF"?
- Set switch to Off
11
No. 1
- Is the TopTronic
®
T timer set correctly?
- Check using operating instructions for
the heating regulator
- Check water level and pressure
- Top up and vent heating system
16
- Are the radiator valves open?
- Open
- The heating circulation pump is not
running
- Open locking screw
Using a screwdriver, turn the end of the
shaft sharply until the resistance de-
creases
- Mixer does not open automatically
- Open it by hand;
Call Customer Service
No hot water
- The charging pump is not running
- Unscrew locking screw
Using a screwdriver, turn the end of the
shaft sharply until the resistance de-
creases
- Is there air in the charging pipe?
- Possibly vent manually
- Operate automatic air vent manually
Please note!
i
Please use the above checklist
when carrying out the checks in
the case of malfunctions.
If you are unable to remedy
the fault, please call your
heating contractor or Hoval
Customer Service.
Summary of Contents for TopGas comfort 10
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