Kalerm KLM1602, Service Manual

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3.7
3.7.2.1
3.7.2.2
3.7.2.3
3.7.3.1
3.7.3.2
3.7.2
3.7.3
3.7.4
3.8.1.1
3.8.1.2
3.8.1.3
3.8.1.4
3.8.1.5
3.8.1.6
3.8.1.7
3.8 3.8.1
Item Confirmation No. No. Cause Remedy Remarks Problem
Prob-
ability
Troubleshooting
The volume
of hot
water is too
little
The
process to
make hot
water
The volume
of hot
water is too
much
Hot water
temperatur
e is too low
YES - descale
NO - continue to 3.7.2.2
Coffee machine
needs descale
(deposit makes
pipes inside the
machine nearly
clogged )
The following should be repaired by dismatling the machine
Disassemble dispenser
valve 2W according to
4.2.12
Disassemble flow meter
and replace according
to 4.2.5
Disassemble
PCBA,replace and
repair according to
4.2.11
YES - repair or replace dispenser
valve 2W, item: 8810101004
NO - continue to 3.7.2.3
YES - connect or replace leakage
position
NO - continue to 3.7.2.4
YES - replace flowmeter
NO - continue to 3.7.3.2
YES - replace or repair PCBA,
item: 78000056
Dispenser valve
2W damaged and
does not work
(water dropped to
drip tray
)
Inside pipe
connector
damaged or
dropped (water
leaks to the table
)
Flowmeter
damaged,magne
nt does not work
Program or PCBA
damaged
Refer to3. 5.4
1. Disassemble water
inlet valve group
according to 4.2.4
2. Replace or repair
damaged components
according to water inlet
valve group explosive
view 8810101011
According to drip tray
group explosive view
8810101017
According to frame
explosive view
8810101021
Disassemble
appearance
components according
to 4.2.1
Disassemble PCBA,
replace and repair
according to 4.2.11
YES - replace or repair water inlet
valve seal
NO - continue to 3.12.1.2
YES - clean water sensor
NO - continue to 3.12.1.3
YES - insert water sensor,
item: 79000117
NO - continue to 3.12.1.4
YES - replace water sensor,
item: 79000160
NO - continue to 3.12.1.5
YES - repair connector,
item: 78000021
NO - continue to 3.12.1.6
YES - replace or repair PCBA,
item: 78000056
NO - continue to 3.12.1.7
YES - replace connector or pipe
Water leakage
between water
inlet valve and
water tank
Water sensor in
front of drip tray is
dirty
Water sensor
inside the drip tray
has fell off
Water sensor
deformed
Line pencil does
not work
PCBA damaged
Connector or pipe
damaged- water
leakage
Leakage
checking
Lots of
water on
the table
Service Manual
Intelligent Fresh Ground Coffee Machine
KLM1602
Problem
after press
ON/OFF to
CLEANING
till power
off
Problems
refer to 3.3
3.9