Kalerm KLM1602, Service Manual, Page: 19 / 78

3.3.2.4
3.3.2.5
3.3.2.6
3.3.2.7
3.3
3.3.2
17
HMI damaged
3.3.3
3.3.3.1
3.3.3.2
3.3.3.3
3.3.3.4
3.3.3.5
3.3.3.6
3.3.4.2
3.3.2.8
3.3.4
3.3.4.1
Troubleshooting
Item Confirmation No. No. Cause Remedy Remarks Problem
Prob-
ability
Press
On/Off to
AUTO
CHECKIN
G and
then to
READY
FILL WATER
TANK on
screen
YES - replace water tank group,
item: 8810101020
NO - continue to 3.3.2.5
YES - replace water tank group,
item: 8810101020
NO - continue to 3.3.2.6
The ball is fell off
Ball damaged
The following should be repaired by dismatling the machine
YES - replace reed sensor,
item: 73000095
NO - continue to 3.3.2.7
YES - connect or repair power
switch connector
NO - continue to 3.3.2.8
Reed sensor
damaged
Connector
damaged
PCBA damaged
Disassemble PCBA,
replace and repair
according to 4.2.11
YES - replace or repair PCBA,
item: 78000056
INSTALL
TRAY on
screen
YES - clean rest coffee powder
NO - continue to 3.3.3.2
YES - take out coffee grounds
container, reinstall drip tray
NO - continue to 3.3.3.3
Lots of coffee
powder left on the
base
Brew unit does not
reset
The following should be repaired by disassembling or changing proper parts
YES - replace coffee grounds
container frame item: 79000113
NO - continue to 3.3.3.4
YES - replace microswitch,
item: 73000088 (X3C306N2LB)
NO - continue to 3.3.3.5
YES - connect or repair
microswitch connector,
item: 78000022
NO - continue to 3.3.3.6
Replace or repair
damaged components
according to drip tray
explosive view
8810102001
Coffee grounds
container frame
damaged
Drip tray
microswitch
damaged
Drip tray
microswitch
connector does
not work
YES - replace or repair HMI,
item: 78000055
1. Disassemble control
panel according to
4.2.7;
EMPTY TRAY
on screen
YES - clean up the terminal
NO - continue to 3.3.4.2
YES - clean up the terminal
NO - continue to 3.3.4.3
Disassemble back
cover according to
4.2.1
Drip tray terminal
is wet
Base terminal is
wet