Kalerm KLM2601 - Page 23

Item Confirmation No. No. Cause Remedy RemarksProblem
Prob-
ability
1. Disassemble brew unit
according to 4.2.3;
2. Replace or repair
damaged components
according to brew unit
explosive view
8810101016
YES - replace damaged parts in
brew unit
Brew unit parts
damaged; when
making coffee
,coffee brewing
box can not be
closed exactly
No coffee
comes out
from coffee
export
YES - preheat coffee cup or
increase the temperature of
environment
No - continue to 3.5.4.2
The temperature
of the cup is too
low
Coffee
temperatur
e is too low(
below
70°C)
The temperature
of the water is too
low
YES - use the pure water that
around 25°C
NO - continue to 3.5.4.3
YES - the temperature from the
3rd cup will meet the standard
NO - continue to 3.5.4.4
YES - descale
Descale according to
5.2.2
The temperature is
low, or standby
time is too long;
brew unit and
water circuit is
cold
Coffee machine
needs descale
(deposit
decreased the
efficiency of the
thermoblock)
YES - fix NTC
NO - continue to 3.5.5.2
NTC loose or
unfixed
Coffee
temperatur
e is too
high( more
than 89°C)
Replace or repair
damaged components
according to
thermoblock group
explosive view
8810101025
Disassemble
PCBA,replace and
repair according to
4.2.12
YES - replace NTC thermistor,
item: 73000074
NO - continue to 3.5.5.3
YES - replace or repair PCBA,
item: 78000006
NTC thermistor
damaged
Program or PCBA
damaged
Use
coffee
beans to
make
coffee
The following should be repaired by dismatling the machine
Descale according to
5.2.2
YES - descale
NO - continue to 3.5.6.2
YES - power off coffee machine,
restart
drainage valve will be reset
automaticly when restart
NO - continue to 3.5.6.3
YES - repair damaged pipe or
connector in front of the
drainage valve group
NO - continue to 3.5.6.4
YES - repair pipe or connector at
the back of brew unit
NO - continue to 3.5.6.5
Coffee machine
needs descale
(deposit makes
pipes inside the
machine nearly
clogged)
Drainage valve
stepper motor
does not reset
(when making
coffee, stepper
motor is still in
drainage position
Inside pipe
connector
damaged or
dropped-water
leakage (water
on the table)
Inside pipe
connector
damaged or
dropped leads to
coffee leakage
(lots of coffee on
the table)
Coffee
volume is
too little
(the volume
of Espresso
is less than
25ml)