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6.2.2. General Troubleshooting
FAULT
TRIGGER
REMEDY
Grinder stops working/keeps
humming without grinding
because
‐ Circuit breaker triggered
(Display not lit)
‐ Motor overheated (Display
lit, showing 0.00)
Foreign object in grinding
chamber
See 6.2.3. Clearing Blockades
Clogging (caused by oily
beans, when grinding too fine
or after longer breaks in
between grinding operations)
See 6.2.3. Clearing Blockades
Setting (too fine)
Go coarser or use optional cone
(M‐version only) and reset
ON/OFF‐button on the base of
the grinder (Fig. 20)
Maximum permissible
operating cycle has been
exceeded
Wait for the motor to cool
down to 60°C. Grinder restarts
automatically (also see 4.4.).
Keep to recommendations
(settings/operating cycle)!
Display not lit
No power
Check power supply!
Press ON‐/OFF‐switch on the
base of the grinder (Fig. 20)
Longer brew time (slower flow
rate) without any changes in
parameters (roast/setting)
‐ Change in fineness caused by
long‐time storage of coffee
beans
‐ Change in fineness because
of improper assembling of
coneholder and/or coffee
powder caught in between
adjustment and coneholder
‐ change to finer setting
‐ Re‐/Disassemble coneholder
and clean grinding chamber,
adjustment and coneholder
indididually. Ensure coneholder
is perfectly snapped in place
(also watch the respective
Video on our YouTube‐channel
“Replacing cone w/
coneholder”)
Shorter brew time (faster flow
rate) without any changes in
parameters (roast/setting)
Slightly changed position of
Adjustment
To compensate, add a 0.2mm‐
shim (included) underneath the
cone (also watch the respective
Video on our YouTube‐channel
“Adding shims”)
