Endress+Hauser Liquisys M CLM223/253, Operating Instructions Manual

Page: 80 / 112

Diagnostics and troubleshooting Liquisys M CLM223/253
80 Hauser
No function of additional
relay CLM253: ribbon cable item 320
loose or defective Check ribbon cable seating, renew cable
if required.
See "Spare parts" section.
Only 2 additional relays
can be triggered Relay module LSR1-2 installed with
2 relays
Upgrade to LSR1-4 with 4 relays. User or Hauser Service
Additional functions (Plus
package) missing
No or incorrect release code used
If retrofitting: check whether the correct
serial number was quoted when ordering
the Plus package. Handled by 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 Plus package.
Additional functions (Plus
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
Plus 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 Plus
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 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 Hauser Service.
Error Possible cause Tests and/or remedial measures Execution, tools, spare parts