Liquisys M CPM223/253 Diagnostics and troubleshooting
Endress+Hauser 87
Only 2 additional relays
can be triggered
Relay module LSR1-2 installed with
2 relays
Upgrade to LSR1-4 with 4 relays. User or Endress+Hauser Service
Additional functions (S-
package) missing
No or incorrect release code used
If retrofitting: check whether the correct
serial number was quoted when ordering
the S-package.
Handled by Endress+Hauser Sales
Incorrect device serial number saved
in LSCH/LSCP module
Check whether serial number on the
nameplate matches SNR in LSCH/ LSCP
(field S 8).
The serial number of the device is
definitive for the S-package.
Additional functions (S-
package and/or
Chemoclean) missing
after LSCH/LSCP module
replaced
Replacement modules LSCH or LSCP
have the device serial number 0000
when they leave the factory. The S-
package or Chemoclean are not
enabled on leaving the factory.
In the case of LSCH/LSCP with SNR
0000, a device serial number can be
entered once in fields E114 to E116.
Then enter the release code for the S-
package and/or Chemoclean.
For a detailed description, see "Replacing
central module" section.
No HART or PROFIBUS-
PA/-DP interface function
Incorrect central module
HART: LSCH-H1 or H2 module,
PROFIBUS-PA: LSCP-PA module,
PROFIBUS-DP: LSCP-DP module,
see field E112.
Replace central module;
User or Endress+Hauser Service
Wrong software SW version see field E111. SW can be modified with optoscope.
Bus problem
Remove some devices and repeat the
test.
Contact Endress+Hauser Service.
Error Possible cause Tests and/or remedial measures Execution, tools, spare parts
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