Kalerm KLM1602, Service Manual

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25
3.9
3.10
3.11
3.12.1.2
3.12.1.3
3.12.1.1
3.12.1.4
3.12.1
3.12.2.1
3.12.2.2
3.12.2.3
3.12.2
3.12.2.4
ERROR 5
Crossing
signal failure
3.12.3
3.12.3.1
YES - Replace the power switch
and wiring, item: 78000048
NO - continue to 3.12.3.2
Power switch short
circuit
3.12.3.2
3.12.4
3.12.4.1
3.12.4.2
3.12.4.3
3.12
Item Confirmation No. No. Cause Remedy Remarks Problem
Prob-
ability
Troubleshooting
Decalcifyi
ng
cleaning
Descale according to
5.2.1
Clean coffee machine
according to 5.2.2
ERROR
1~7Coffee
machine
needs to
be
repaired
when
there is
ERROR on
the screen
ERROR 1 no
power in
thermobloc
k or the
thermobloc
k
temperatur
e fuse
Thermoblock
connection line fell
off or damaged
YES - repair or replace coffee
thermoblock connection line;
item: 78000014 and 78000046
NO - continue to 3.12.1.3
According to explosive
view 8810102006
1. Disassemble
thermoblock group
according to 4.2.15
2. Replace damaged
components according
to thermoblock group
explosive view
8810102006
YES - replace steam thermoblock,
item: 79000132
NO - continue to 3.12.1.4
Thermoblock does
not work
System testing
Malfunction YES - Restart the machine
NO - continue to 3.12.1.2
Disassemble PCBA,
replace and repair
according to 4.2.11
YES - replace or repair PCBA,
item: 78000056
PCBA damaged
System testing
Malfunction
YES - Restart the machine
NO - continue to 3.12.2.2
Replace damaged
components according
to explosive view
8810102006
YES - replace NTC, item: 73000221
NO - continue to 3.12.2.3
YES - connect or replace
connection line, item: 73000221
Thermoblock NTC
damaged
NTC connection
line does not work
Refer to 3.12.2.1
Disassemble PCBA,
replace and repair
according to 4.2.11
YES - replace or repair PCBA,
item: 78000056
PCBA damaged
ERROR 2
NTC
damaged
1. Disassemble front
control group
according to 4.2.7
2. Replace or repair
damaged components
according to explosive
view 8810102001
Disassemble PCBA,
replace and repair
according to 4.2.11
YES - replace or repair PCBA,
item: 78000056
PCBA damaged
ERROR 6
press 5
times FILL
UNIT, and it
still can not
be solved
by pressing
the rotary-
water
circuit is
clogged
Disassemble
appearance according
to 4.2.1
1. Disassemble pump
group according to
4.2.10;
2. Replace or repair
damaged components
according to pump
group explosive view
8810101011
Disassemble flowmeter
according to 4.2.5
YES - repair or replace pump and
flowmeter connection line,
item: 78000012 and 78000022
NO - continue to 3.12.4.2
YES - repair or replace pump,
item: 73000053
NO - continue to 3.12.4.3
YES - repair or replace flowmeter,
item: 73000089
NO - continue to 3.12.4.4
Pump and
flowmeter
connection line
dropped or
damaged
Pump damaged
Flowmeter
clogged or
damaged