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Fault
Check/Cause
Solution
See page
Gas boiler
- Is electrical power available
- Check the fuses. Switch on
does not
the main switch on the boiler
start
- Is the gas cock open
- Open it
- Is the red fault indicator illuminated
- Press the reset button
13
- Notify the Customer Service
No. 12
- Is gas available
- Call the gas works
- Hydraulic pressure too low or too high
38
No. 6.10.7
Radiators
- Are the slide valves in the flow
- Open them
are not
and return lines open
warm
- Is the main switch in the
- Switch over
12
“OFF” position
No. 1
- Is the switching clock on the
- Check using the operating instructions
20
TopTronic
®
T set correctly
for the heating controller
- Check the water level and pressure
- Refill the heating system and bleed
8
the air
No. 5.1
- Are the radiator valves open
- Open them
- The heating circulation pump is
- Open the lock screw
not working
Turn the shaft end with a screw
driver to reduce the resistance
- The mixer does not open automatically - Open it by hand; call the Customer Service
No hot
- The loading pump is not working
- Unscrew the lock screw
water
Turn the shaft end with a screw
driver to reduce the resistance
- Is there any air in the loading line
- Bleed the air by hand, if necessary
- Manually operate the automatic bleeder
7.
Check list in case of faults
Please
note!
Please use above checklist when
carrying out the checks in case
of malfunctions.
If you are not able to resolve
the fault, please contact the
heating installer or the Hoval
Customer Service.
i
7. Check list in case of faults
Содержание UltraGas (35-650)
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