Maintenance; Troubleshooting - 969.Coffee 969-64 On DEMAND Handbuch

MAINTENANCE

Clean the hopper on a weekly basis;
The only parts to be replaced are burrs: check if they wore out and replace both at the same time as described here below.
WARNING:
- Before performing any maintenance operations, make sure that the coffee grinder is unplugged.
- Always replace both burrs.
BURRS REPLACEMENT:
- Set in the hopper closure;
- Activate the grinder until no more powder will be dispensed;
- Turn off and unplug the grinder;
- Remove the hopper by unscrewing it;
- Press down the locking rod with one hand and with the other unscrew the burrs housing gear by turning it anti-
clockwise.
- Unscrew the 3 burrs locking screws then remove the burrs; make sure to remove any traces of coffee powder from the
burrs housing;
- Place and lock a new set of burrs in the housing;
" e the adjust e t gea o the g i de 's od u til the u s tou h;
-
- Unscrew the adjustment gear by 5 to 10 stops;
- Insert and lock the beans hopper;
- Plug in the grinder and turn it on;
- Open the hopper closure and set up the grinding grade while the grinder is running.
TROUBLE SHOOTING
PROBLEM
The offee g i de does
ot tu o
The oto does ot u
Coffee po de i ed i
ith la ge f ag e ts.
CAUSE
1. Plug is ot i the so ket
2. Ele t o i o t ol u it fault
1. Fo eig od et ee the u s.
2. O e heati g
3. B oke apa ito
1. Wo g i de s
2. G i de s out of u s
SOLUTION
1. Che k that the plug is i se ted i the
po e so ket. I spe t the a le of
the ele t o i o t ol u it.
2. Co ta t the te h i al
se i e.
1. U plug the offee g i de a d tu
the adjusti g s e
fo eig od .
2. Wait fo the g i de to ool do
3. Co ta t the te h i al
se i e.
1. Repla e the u s
assista e
to e o e the
.
assista e
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