26
Repair
Service Manual EF 473 / EF 474 enVersion 1.0
Descaling (1)
Only use Nespresso decalcifier -
never vinegar!
Decalcifier is aggressive to surfaces.
Preparation:
1. Switch off machine.
2. Eject capsule. Insert filter from descaling
kit in capsule inlet and close handle.
3. Empty drip tray and capsule container and
remove drip grid.
4. Re-insert drip tray and place a pot on it.
)
Carefully read safety instructions on
decalcifier package.
5. Fill water tank with 0.1 l descaling fluid
and 0.5 l water. Re-insert water tank.
6. Switch on machine.
7. Press and hold both coffee buttons for at
least 3 seconds to start descaling mode
(fast blinking coffee buttons). The
temperature of the thermoblock is
regulated to 65° C.
Descaling:
8. Press button "large cup" to start pump.
9. Let entire descaling solution pass through
coffee outlet.
2
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5
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7
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3 sec
3 sec
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