Mahlkonig K30 TWIN Operations Instructions download pdf (Page 22)

In the case of other malfunctions or continued faults, please contact

your dealer or your authorised customer service centre.

8.3 Alarm Signals Showing in The Display

Several sensors have been built into the grinder in order to control

operation and to protect the motor and the grinding gear. The fol-

lowing alarm signals can show in the display:

Defect

The grinder does

not start, the

display is not lit.

Alarm Record

LOSS DATA

GRINDER X

BLOCKED

Cause

The main plug is

not inserted.

The pre-fuse has

tripped.

Cause

• Saved data was

lost.

• Current

consumption

higher than

limit.

• Motor blocked.

• Foreign object/

beans blocking

the grinder.

• Jammed spout.

• Exploring coil

on power board

malfunction-

ing.

Remedy

Insert the main plug into

the socket.

Check the pre-fuse. Restore

the pre-fuse to its initial

state or replace it. Deter-

mine whether other de-

vices are connected to this

fuse.

Correction

• Press PROG-button. Grind-

ers are not blocked.

User:

• Press PROG-button. The

other grinder can be used

again.

• Turn grind adjustment of

blocked grinder to coarse.

Switch off and back on

the grinder, start grind-

ing, the grinder grinds

itself free. Reset the grind

adjustment to the desired

espresso setting.

• Clean the spout. Take off

the cover and check the

interior grinder’s spout

(position of ﬂ at spring).

• Interchange the grinders‘

plugs at the power board

to determine the cause of

the malfunction. (grinder

or board)

• Check current consump-

tion in service-menu point

7. (desired value at idle

operation: I < 3,5A

HORECA GASTRO GRINDER

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Mahlkonig K30 TWIN Operations Instructions Page 22

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