Electrolux SM 554 Manual de servicio Pagina 79

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Service
Manual
9406
Repair instructions
Scale deposits can clog the hole in the diaphragm
and disturb the operation of the valve.
It is thus advisable that the valve be taken apart and
cleaned at regular intervals, depending on operating
conditions and the degree of contamination of the
water.
The valve refuses to open
Check that the coil is being energised.
Take measurements at the coil to look for a break
or short circuit.
Take the valve apart and check the openings in
the valve diaphragm.
Check the inlet strainer and clean if necessary.
Loosen the coil and clean the surfaces of the
magnet core.
The valve refuses to close
Check that the coil is de-energised.
The valve is normally closed when the magnetic is
unactivated.
Check the return spring.
Check the diphragm.
34. Inlet valve, water
34
2
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