55
GB
13. Troubleshooting
Always start by checking any error messages. When an error occurs in the system, the cause is
instructions.
Boiler will not start on gas (Gas Failure)
• Run out of LPG?
• Is the main tap fully open?
• Check that the right LPG type is used for the prevailing outdoor temperature.
Using butane at temperatures below +10 °C is unsuitable. Use propane.
• Check that the fuse for the boiler is intact.
• Check that there is a 12 V electricity supply to the boiler (> 11 V); the actual voltage can be read
from the service menu.
• -
aged or clogged by foreign objects, condensation or water.
The exhaust hose consists of two hoses, one inner and one outer.
•
• Check that the gas pressure is correct. This can be done by lighting all the burners on the gas stove,
pressure.
• If the boiler has not been used for some time, or if the gas bottle is new, it can take a little longer
to light the boiler than normal. Try starting the boiler.
• Check any installed hose line with hose rupture protection.
• If DuoControl/MonoControl with Crash sensor are installed, check that they have not tripped out
If none of the above help, contact Alde.
Electric heater will not work satisfactorily
• Check that the fuse for the boiler is intact.
• Check that there is a 12 V electricity supply to the boiler (> 11 V); the actual voltage can be read from
the service menu.
• Check that 230 V is really being supplied to the boiler. Long and/or weak connection cables cause
higher voltage drops and the voltage can sometimes be lower under certain conditions.
• Check that the selected power level on the panel is high enough, see section 11. Starting the heat-
ing system for the rst time.
•
If none of the above help, contact Alde.
Poor or no heat (circulation in the heating system)
• Check that the circulation pump symbol is visible on the status screen when heating is needed.
• Check that the circulation pumps are working.
• Check that the heating system is vented.
If the heating system has not been in operation for a long time, or if the gas tank has been replaced,
it may take longer than normal to start the boiler.
Fire/explosion risk
A 230 V power supply carries a risk of electrical accidents. Never attempt to service electric cartridges yourself.
WARNING
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