eta BG 1, Руководство по эксплуатации

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Rectifying problems
8 Rectifying problems
WARNING!
Switch off the electricity to the boiler via the mains
switch

Switch off the electricity to the boiler via the mains
switch. This prevents injuries caused by switching
the boiler on inadvertently.
Cleaning the light barrier
If the discharge does not convey any fuel or if the
control indicates the "light barrier dirty" error, the
light barrier in the drop chute must be checked and
cleaned.
Remove the maintenance cover to reach the internal
space.
Fig. 8-1: Maintenance cover
Perform a visual check. Possibly a foreign body or a
long piece of wood has become wedged in the drop
chute. Remove it if required.
Fig. 8-2: Visual check
Use a soft cloth to clean the lenses of the light barrier
transmitter and receiver.
Fig. 8-3: Lenses