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CLEANING and MAINTENANCE: DESCALING
Descaling
You must descale the coffee machine about every
200 coffees.
Important! Descaler contains acids which may
irritate the skin and eyes. It is vital to respect the
manufacturer's safety warnings given on the
descaler pack and the warnings relating to the
procedure to follow in the event of contact with
the skin and eyes.
NOTE: Failure to descale the appliance as
described above voids the guarantee.
1. Turn dial to
position.
(A)
2. Completely empty the water tank
.
(B)
(C)
3. Pour the descaler
and water
into the tank,
according to the manual instructions.
(D)
4. Place an empty container
with a minimum
capacity of 50 oz under the hot water spout and
boiler outlet.
5. When OK light is green, turn dial to
Solution will come out from the boiler outlet.
6. Turn the steam dial to allow solution to come out
from the frother spout and turn dial to
position. Let unit rest for 15 minutes.
A
B
Important!
• Descaler contains acids which may irritate the skin and eyes. It is vital to respect the manufacturer's safety warnings
given on the descaler pack and the warnings relating to the procedure to follow in the event of contact with the skin
and eyes. Use De'Longhi descaler only. Under no circumstances should you use sulphamic or acetic based descalers.
Their use invalidates the guarantee. Failure to descale the appliance as described also invalidates the guarantee.
12
Important! Danger of Burns
Hot water containing acid flows from
the spout. Avoid contact with splashes
of water.
7. Repeat steps 5 and 6 until water tank is empty
(don't wait 15 minutes between steps).
8. To eliminate the solution and lime scale residues,
rinse the tank and fill it with fresh water (without
descaler); empty the containers and place them
under the boiler outlet and hot water spout.
9. Turn dial to
position until water tank
is empty.
10. Repeat steps 8 and 9.
The appliance is now ready for use.
Repairs to the coffee machine relative to lime scale
position.
problems are not covered by the warranty if the
descaling procedure described above is not performed
on a regular basis.
C
D
PROBLEM
1. The filter is clogged or not assembled correctly.
No crema
See maintenance page.
2. The coffee ground is too coarse or not tampered enough.
1. The "OK" light is not on.
2. The filter is clogged. Try a different one and/or clean it.
See maintenance page.
Doesn't deliver coffee
3. The boiler outlet is clogged. Clean follow manual.
4. There is not water in the tank.
5. Dial Is not in the "delivery" position.
6. Perform priming, see page 6.
1. The filter holder is not tightened enough.
Does leak from the filter
2. The filter is clogged. Try a different one and/or clean it.
holder on the back of
See maintenance page.
the unit
3. The boiler outlet is not assembled correctly or gasket
is worn out. Clean follow manual.
1. Be sure the unit is on a flat surface and the rubber feet
are in place.
Unit vibrates
2. It is normal for the pump to have a slight vibration while
in operation. Especially during the first set up.
3. The drip tray is not sitting correctly.
1. The coffee ground is tampered too much.
2. The filter is clogged. Try a different one and/or clean it.
Coffee drips very slowly
See maintenance page.
3. The boiler outlet is clogged. Clean follow manual.
1. Espresso is typically not as hot as regular coffee because of
a different extraction method.
2. Descale the unit regularly; lime scale can affect the
Coffee not hot enough
performance of the boiler.
3. Use pre warmed cups.
4. Run the unit without coffee first as rinse function which will
help to heat the unit quickly and to warm the cups.
1. Turn the dial to steam and wait the "OK" light goes on.
2. Use milk at 1% fat at 41F.
3. Don't immerse the wand completely into the milk
4. Clean the wand exterior and interior piece, be sure the hole
Unit doesn't froth
for the proper air inlet is not clogged.
5. Move the pitcher slightly up and down and rotate in the
pitcher to help to form the foam.
TROUBLESHOOTING
SOLUTION
13
EC155M
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