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Operation
Service Manual EF 473 / EF 474 enVersion 1.0
Empty water system
After operation, residual water remains in the
water circuit.
This residual water can be removed
- before a longer period of non-use,
- for frost protection,
- before repair and following shipping.
1. Switch off machine.
2. Empty or remove water tank.
3. Press and hold button "small cup".
4. Then switch on machine and release
button.
The pump begins to empty the water
system and stops automatically after
approximately 5 seconds.
5. Simultaneously, open closing handle fully
and press it backwards.
The thermoblock heats up and vaporizes
water residues.
6. Switch off machine when buttons start to
blink alternately (stand-by).
7. Close closing handle.
8. Empty drip tray.
)
After this procedure the machine is
blocked for approx. 10 minutes (till
thermoblock temperature < 100° C).
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