Kalerm KLM1601, Service Manual

Page: 25 / 96

3.5
3.5.2
3.5.2.9
3.5.2.10
Troubleshooting
23
3.5.3.1
3.5.3.2
3.5.3.3
3.5.3.4
3.5.3.5
3.5.3.6
3.5.3
Item Confirmation No. No. Cause Remedy Remarks Problem
Prob-
ability
If conical burr and
upper burr is stucked by
foreign object, there will
be different regular
noise when the conical
buur and upper burr
does not work
1. Disassemble grinder
group according to 4.2.7;
2. Disassemble grinder
group according to 4.3.3
3. According to grinder
group explosive view
8810101002, replace or
repair damaged
components
YES - take out foreign object from
grinder group
NO - continue to 3.5.2.10
YES - replace parts in grinder
group
Grinder group is
stucked
Gear group or
gear box
damaged
FILL BEANS
displays on
the screen
after
grinding
(grinder unit
works
)
Use
coffee
beans to
make
coffee
No coffee
comes out
from coffee
export
Drainage valve
stepper motor
does not reset(
stepper is still in
drainage position
when making
coffee)
YES - power off the machine,
restart (drainage will be reset
when power on the machine)
NO - continue to 3.5.3.2
The following should be repaired by dismatling the machine
YES - repair damaged water
pipes or pipe connector in
drainage valve group
NO - continue to 3.5.3.3
YES - repair pipes or pipe
connector at the back of brew
unit continue to - 3.5.3.4
YES - replace drainage valve
group
NO - continue to 3.5.3.5
1. Disassemble drainage
valve group according
to 4.2.10;
2. Replace or repair
damaged components
according to drainage
valve group explosive
view 8810101006
1. Disassemble brew unit
according to 4.2.3;
2. Replace or repair
damaged components
according to brew unit
explosive view
8810101016
YES - replace contropistone seal,
item: 73000065
NO - continue to 3.5.3.6
Inside pipe
connector
damaged or
dropped-water
leakage(lots of
water on the
table )
Inside pipe
connector
damaged or
dropped-coffee
leakage(lots of
coffee on the
table)
Drainage valve
group damaged,
no water comes
to brew unit;
water drops to
drip tray directly
from drainage
valve
Contropistone
seal damaged,
coffee comes out
from the gap
between coffee
brewing box and
contropistone
YES - replace coffee brewing
group, item: 8810101023
NO - continue to 3.5.3.7
Brew unit piston
seal damaged
Refer to 3.5.3.5
1. Disassemble drainage
valve group according
to 4.2.10;
2. Replace or repair
damaged components
according to drainage
valve group explosive
view 8810101006
YES - replace seal,
item: 73000035
NO - continue to 3.5.3.8
Seal in brew unit
damaged
3.5.3.7