8.5
Corrective maintenance of Liquisys M CPM 253
8.5.1
Exploded view
100 V
Item 10
Power supply unit 100 – 230 V AC
230 V
115 V
Fuse
Item 30 / jumper
Mains voltage
selection
253EXPHE.CDR
Electronics box with
relay module LSR1-x (bottom) and
power supply unit LSGA/LSGD (top)
Fuse is accessible with
electronics box installed
Item 410
Display lid
assy.
Item 460b
Cover
screws
Item 460a
Cover
screws
Item420
Connection
compartment
cover
Item 40
Central module
LSCH-x / LSCP
Item 370
Front membrane
Item 310 / 320
Ribbon cables
Item 230
Transmitter
module MKP1
Item 10 / 20
Power supply
unit module
LSGA / LSGD
Item 999
pH terminal
assembly
Item 340
Docking assembly
LSK1
Item 290 / 300
Relay module
LSR1-x
Item 450c
Torx screws K4x10
Item 480
Cable glands
Item 470
Plug-in terminal for
power connection
Item 330
Electronics box (empty)
Item 450b
Torx screw for
central module
Top
Bottom
Ite
m
4
30
Hing
e
Item 450a
Torx screws K4x10
Item 400
Bottom of housing
Diagnosis and corrective maintenance
Liquisys M CPM 223 / 253
62
Hauser