
8.3 Corrective maintenance Liquisys M CPM 253
8.3.1 Exploded view
100 V
Pos. 10
Netzteil 100 – 230 V AC
230 V
115 V
Sicherung
Pos. 30 / Steckbrücke
Netzspannungs-
wahl
Pos. 30 / jumper
Pos. 10
Power supply unit 100 - 230 V AC
Fuse
Mains voltage
selection
253EXPHE.CDR
Electronics box with
relay module LSR1-x (bottom)
and power supply unit
Fuse is accessible with
electronics box installed
Pos. 410
Display lid
assy.
Pos. 460b
Cover
screws
Pos. 460a
Cover
screws
Pos. 420
Connection
compartment
cover
Pos. 40
Controller
LSCH-x / LSCP
Pos. 370
Front
Pos. 310 / 320
Ribbon cables
Pos. 230
Transmitter
module MKP1
Pos. 10 / 20
Power supply
module
LSGA / LSGD
Pos. 999
pH Terminal
compartment
module
Pos. 340
Docking module
LSK1
Pos. 290 / 300
Relay module
LSR1-x
Pos. 450c
Torx screws K4x10
Pos. 480
Cable glands
Pos. 470
Pluggable terminal for
power supply
Pos. 330
Electronics box
Pos. 450b
Torx screw for
Controller
Top
Bottom
Pos. 430
Hinge
Pos. 450a
Torx screws K4x10
Pos. 400
Bottom of housing
PM253E08.CHP
Liquisys M CPM 223 / 253 Diagnosis and corrective maintenance
Endress+Hauser 71
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