Maintenance; Troubleshooting; Removing The Casing - Riello ACQUAFUN2 11 LN MTN Installation And User Manual

5 MAINTENANCE

To ensure correct operation over time, the appliance should be checked
by a qualified professional at least once a year.
: before performing any cleaning or maintenance work, or
IMPORTANT
before opening or removing the boiler panels, turn the appliance off by
shutting off the gas tap.
that the flue gases passage sections of the heat exchanger are not
Check
obstructed. Use a wet soapy cloth to clean the external panels.
use abrasive solvents, powders or sponges.
Do not
Do not clean the appliance or its component parts with highly flammable
substances such as : petrol, alcohol or heavy oil.
electrode position and distance.
Check
See Fig. 26

7 TROUBLESHOOTING

The appliance should be inspected by a qualified professional at least once a year to ensure it is operating correctly, prolong its life and make sure
safety is optimised. This would normally involve:
- removing any rust on the burners
- removing any build-up on the electrode
- cleaning the combustion chamber
- checking that the appliance switches on and off and operates correctly
- check the seal of the gas and water pipes and connectors.
b
The following instructions are addressed solely to qualified technicians authorised to work on the appliance.
FAULT
No spark
Pilot burner not turning on when spark detected
Burner not staying on
The exchanger plates get dirty quickly
There is a smell of gas
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- Battery flat
- Electrode cable cut off
- Circuit board does not detect flame
- Flow meter faulty
- Insufficient water pressure
- Wiring slack
- Electrode worn
- ON/OFF button
- Fault check device
- No gas feeding
- Air in gas line
- Pilot dirty
- Detector electrode not correctly positioned
- Poor forced draught or dusty room
- Yellow flame
- Excessive gas consumption
- Caused by leaks in the pipe circuit. Check the
pipework to find the leak
- May be caused by a blockage in the flue gas
circuit
- Excessive gas consumption

6 REMOVING THE CASING

To remove the casing:
- disconnect the appliance from the electric power supply using the om-
nipolar switch
- detach the display connector
See Fig. 27
- remove the two screws A
- pull the casing B forwards
- lift the casing B upwards releasing it from the hooks at the top
See Fig. 28
CAUSE
- Replace
- Check – fix
- Check – fix
- Replace
- Adjust the system to ensure the pressure is
- Check wiring connected correctly
- Replace
- Check it is on, or replace if faulty
- Replace
- Turn the gas on
- Release gas
- Clean
- Check height of detector electrode (see main-
- Check exhaust flue efficiency
- Check type of gas and clean burner
- Check and adjust
- Do not use any electrical switches or any
- Contact a qualified professional
- Check exhaust flue and flue duct efficiency
- Check and adjust
SOLUTION
correct
tenance section)
object with a spark. Ventilate the room
ENGLISH
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